The Denver 2017 Mineral Showrooms

* Updated October 17th, 2017 *

MIN#Denver2017-21 NEW!

Exceptional specimen featuring deep cherry-red rhombs of Rhodochrosite nestled atop Tetrahedrite, Galena, and Pyrite matrix!
This is a gorgeous Sweet Home specimen which exhibit the color that collectors dream of in a top quality Rhodochrosite. The large
rhombs are further enhanced by the dark Sulfide matrix which always make for the best background for gemmy Sweet Home Rhodos.
The rhomb at the very top is see through since it terminated against matrix which was removed during the extraction and trimming process.
The middle rhomb is super glassy and gemmy, with an intensity of color that rivals the best of the best. The huge rhomb along the bottom
measures 5 cm in width which is HUGE for a Sweet Home specimen. It is bordered by smaller rhombs along the left and top left and is
also quite gemmy. There are interior lines that correspond to surface stepping and this is typical of huge rhombs which tend to subdivide
as they grow larger and larger into one enormous crystal. The rhombs are all glassy surfaced and mirror-like with a strong, wet luster.
The three Rhodochrosite rhombs measure 5 cm, 3.5 cm, and 3 cm in size. The rhomb along the bottom was separated from the matrix
and it is this part, the bottom edge, that sits in the display base. If you're looking for a gorgeous Sweet Home Rhodochrosite specimen
that looks like a 6 figure piece at a much more reasonable price, then this is the specimen for you. This was recently appraised at 95k.

From the Gerhard’s Pocket, Mini King Raise, Sweet Home Mine, Alma, Park County, Colorado.
Measures
7.3 cm by 7.6 cm by 5.5 cm in total size or small cabinet.
Ex. Sela Mineral Collection
Comes with a custom made, labeled display base
Price $65,000

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MIN#Denver2017-22 Sold!

Lustrous specimen featuring cubes of purple Fluorite with Rhodochrosite and Pyrite on fines Quartz needles!
To go along with the specimen above, this is something you don't see every day - A Fluorite plate from the Sweet Home Mine.
This gorgeous plate is covered by Quartz needles and glassy-lustrous Fluorite cubes from one side to the other. The Fluorites
are translucent with vivid phantoming in addition to some frosting inside some of the cubes. There's a rhomb of Rhodochrosite
peeking out from beneath several of the center Fluorites, as if to attest for the specimen's locality. In excellent condition.
From the Jelly Pocket, Sweet Home Mine, Alma, Park County, Colorado.
Measures 6.6 cm by 13.1 cm by 4.3 cm in total size.

Price $2850

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MIN#Denver2017-23 Sold!

Exceptional combination specimen featuring two pink Morganites with Spodumene, Tourmaline, Quartz and Microlite on Albite!
This specimen is one of my favorites from the show. The Morganite is beautifully formed with a transparent-gemmy window in the
front that allows one to see the Albite matrix behind the crystal. It has better than average depth of color for a Morganite and there
is a smaller Morganite behind the larger one. In the foreground is a yellowish-green Spodumene crystal, fully terminated and gemmy.
Along the top right edge is a horizontal green Tourmaline and pillars of Albite crystals rise up above the Morganites where they are
capped off with a perfect Quartz crystal of a flattened habit. By the way, along the far left edge at 10 o'clock is a small reddish-brown
Microlite crystal. This is a fine cabinet plate which is one of the finest Pegmatitic combinations I've seen in year. In excellent condition.
From Paprok, Kamdesh District, Nuristan Province, Afghanistan.
Measures 5.5 cm by 7 cm by 6.8 cm in total size.

Price $12,500

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MIN#Denver2017-24 NEW!

Unique and bizarre specimen of a broken brown bottle with Selenite crystal overgrowth!
This is one of the oddest specimens I've seen from the Tsumeb Mine. It's obviously post-mining as an old glass
bottle was left inside the mine by a miner, broken, and then overgrown by Selenite crystals which grew over and
around the broken glass, holding the various pieces together. The brown bottle sits upright by itself and appear to
have been round as the bottom is ringed and mostly intact. The Selenite crystals are in excellent condition and
exhibit a flashy luster when the specimen is rotated side to side. Very nice and definately a conversation piece.
From the Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region, Namibia.
Measures 8.6 cm by 6.8 cm by 6.6 cm in total size.

Ex. Voelter Mineral Collection
Price $1750

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MIN#Denver2017-25 Sold!

Exceptional plate of brilliant green Pyromorphite crystal on matrix!
This lovely plate of lustrous green Pyromorphite crystals is quite exceptional and displays a myriad of hoppered
crystals across the entire surface. I've examined the specimen under 16x magnification and saw dozens and
dozens of super glassy, terminated crystals. One thing I didn't see however was broken points and damage.
If there are any, they are very small and unnoticeable. The green is a bright green with a touch of olive.
From the Daoping Mine, Gongcheng Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China.
Measures 7 cm by 9.8 cm by 5.4 cm in total size.

Ex. Webb Mineral Collection

Price $12,500

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MIN#Denver2017-26 NEW!

The perfect Elmwood combo plate! Pristine Fluorite Surrounded by Sphalerite crystals with a Calcite on Dolomite covered matrix!
This is an incredible specimen. All the crystals are perfect and lustrous with the yellow Calcite being doubly terminated. They
sit atop a matrix covered with white Dolomite crystals. The only thing that could make this specimen better would be a Barite.
The Fluorite measures 3.7 cm across the corners and exhibits a beautiful internal phantom beneath glassy transparent surfaces.
The Sphalerite crystals look white in the photograph but that's because their surfaces are blindingly reflective and lustrous!
From the Elmwood Mine, Carthage, Smith County, Tennessee.
Measures 9.5 cm by 8.6 cm by 4.8 cm in total size.

Price $2850

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MIN#Denver2017-27 NEW!

Gorgeous, glowing Calcite crystal set atop the center of a Calcite "striped" matrix with smaller Calcites!
Super glassy surfaces highlight this pristine Golden Calcite which sits in the center of a Calcite striped plate
alongside two smaller Calcites in the background. The interiors are super gemmy and the faces are so lustrous
that they almost appear to be wet! The bands of small crystals running left to right are a really neat feature.
From Daye County, Huangshi Prefecture, Hubei Province, China.

Measures 10 cm by 9.4 cm by 4.8 cm in total size.

Price $1500

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MIN#Denver2017-28 NEW!

Gorgeous specimen of Kämmererite (Chromian Clinochlore) on matrix!
There are very few minerals that can match the color intensity of Kämmererite. This specimen has
a good number of the lustrous crystals measuring to 1.1 cm in size. The crystals are gemmy and
glow a deep reddish-purple. They sit atop a sparkling matrix which is covered by smaller crystals
of Kämmererite. The area in the front which appears flattened is where the specimen was in contact
with matrix and the crystals are more druse-like.  It does not detract from the beautiful arrangement.
From the Kop Krom mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region, Turkey.
Measures 7.4 cm by 11 cm by 4 cm in total size.

Price $985

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MIN#Denver2017-29 NEW!

An amazing Calcite specimen which is actually a pseudomorph after fossilized Coral!
This is an extremely rare specimen from Key Largo, Florida. From a very small find that I am told consisted
of only a single boulder that was broken up into a small collection of specimens. The coral structure has been
very well preserved with even the finest of details intact. This is BY FAR, the finest of these specimens that
I've ever seen. It's also the largest example. In excellent condition with a flashy, resinous surface luster.

From Key Largo, Monroe County, Florida - Dates back to the Pleistocene age.
Measures 11.5 cm by 9.5 cm by 10.9 cm in total size.

Ex. Graeber Collection
Price $2450

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MIN#Denver2017-30 NEW!

Glassy crystals of Manganoan Smithsonite on matrix!
Seldom available, these pieces came from a small, one-time find in 1984. The crystals on this small cabinet piece range
up to about 1.2 cm. This specimen is attractive and 3-dimensional overall, with good isolation of the crystals. This is one of the
rarest of all Smithsonites with crystals which are distinctive for shape and color, as well as luster. Very nice with few contacts.
From the Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia.
Measures 5.3 cm by 4 cm by 2.7 cm in total size.

Price $1850

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MIN#Denver2017-31 NEW!

Classic old-timer of reddish Cuprite cubes on Native Copper with Native Silver from Bisbee!
This is an impressive specimen. The Cuprite cubes are super sharp with excellent color. The surfaces
are lustrous with dendritic Native Silver wires and fine Silver crystals located along the back side.
I don't see Bisbee Cuprites of this quality very often and the addition of the Silver wires is rare!
From the Old B Mine, Bisbee, Warren District, Mule Mts, Cochise County, Arizona.
Measures 4.7 cm by 6 cm by 2.5 cm in total size.

Price $1850

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MIN#Denver2017-32 NEW!

Beautiful specimen featuring a heart-shaped twinned Calcite with Calcites on matrix!
One's eye is immediately drawn to the absolutely pristine Calcite twin along the top left.
It measures 3.3 cm in size and is glassy-lustrous and translucent to light. Other Calcite
crystals of varying habit accompany the twinned crystal and all sit atop a matrix which is
covered by small golden Calcites. In excellent condition save for one nearly invisible cleave.
From the Frederico Westphalen Mine, Alto Uruguai region, Rio Grande do Sul, Brazil.
Measures 6 cm by 6 cm by 5.2 cm in total size.

Price $895

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MIN#Denver2017-33 NEW!

Stunning geode filled with botryoidal Chalcedony and fine Millerite crystal sprays!
A spectacular example of metallic needles from one of the world's premier localities.
The Chalcedony lined vug completely protects the lustrous, brassy Millerite needles
and provides a beautiful border for the specimen! The mining locality for this specimen
is now closed making fine quality specimens of Millerite very rare in today's market.
From Halls Gap, Lincoln County, Kentucky.
Measures 5.6 cm by 5.7 cm by 4 cm in total size.

Ex. Kalaskie Mineral Collection

Price $985

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MIN#Denver2017-34 NEW!

VERY rich specimen of Native Silver leaves with Acanthite in and on white Quartz matrix!
This is a heavy cabinet sized specimen that is loaded with Native Silver. The Silver appears in a mosaic-style pattern
in the stark white Quartz matrix. The leaf structure is probably the result of the host matrix and most are quite angular in
appearance. This locality was mined 1905-1971 and produced about 7,000,000 ounces of Silver. A great looking, historic Silver!
From the Penn Canadian Mine (Glen Lake Mine), Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada.
Measures 8.4 cm by 11.7 cm by 6.2 cm in total size.

Ex. Bishop Mineral Collection

Price $1850

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MIN#Denver2017-35 Sold!

Very aesthetic specimen of violet Fluorite cubes on brilliant Sphalerite with a host Barite cluster!
One of the most impressive Elmwood plates I've seen recently, this piece is in excellent condition
overall with only the normal peripheral contacts along the outer trim line. I love the deep color of
the Fluorite cubes as they climb the top edge of the very lustrous Sphalerite crystals. The white Barite
cluster along the lower right side on which everything sits is the perfect touch for this beautiful specimen.
From the Elmwood Mine, Carthage, Smith County, Tennessee.
Measures 9.2 cm by 14 cm by 7 cm in total size.

Price $4500

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MIN#Denver2017-36 Sold!

Amazingly long and thick wire of Native Copper with scattered Native Silver accents!
What an incredible Michigan Copper! My almost seven year old daughter saw this while I was working on the
update and asked me if it was a Harry Potter magic wand. I must admit, I thought the same thing when I first
came across the specimen in Denver. I've never seen a Copper wire of such width and length and the structure
has more than its fair share of character with all the sharp angles and curves. The thicker portion of the wire
to the far right even looks like a handle while the left side comes to a point. Covered by a beautiful antique
patina and original, lustrous surfaces, this is easily one of the most unique Michigan Coppers from the show.
From the White Pine Mine, White Pine, Ontonagon County, Michigan.
Measures 33 cm in length by 4.8 cm in width (at the handle).

Ex. Severance, Lillie Mineral Collections
Price $2450

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MIN#Denver2017-37 NEW!

Super lustrous combo featuring bronze Stannite crystals with Arsenopyrite atop a transparent Quartz!
This is a brilliant specimen. These amazing combos appeared in the early 2000's and have virtually
disappeared from the current marketplace. This specimen features a super sharp cluster of lustrous
Arsenopyrite crystals along the front side of the Quartz, measuring to 2.7 cm in size. They are well
terminated and incredibly reflective in even the faintest lighting. The slightly golden color of the Stannite
crystal contrasts beautifully with the nickel colored Arsenopyrites and transparent interiors of the Quartz point!
From the Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China.
Measures 6 cm by 6 cm by 5.8 cm in total size.

Price $1500

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MIN#Denver2017-38 Sold!

Very fine example featuring Boleite cubes with green Paratacamite on hard white Quartz matrix!
Well over a dozen small, lustrous blue crystals accompany the largest Boleite cube which measures
a full 1 cm in size. All are stable on the matrix and there is no damage to speak of except for trivial
bumps. The largest Boleite is clean and sharp. It sits perfectly atop a lighter colored matrix near the
center. Blue can be seen at the corners under lighting. In excellent condition with exceptional aesthetics.
From the Amelia Mine, Arroyo de la Soledad, Boleo District, Santa Rosalía, Baja California Sur (BC Sur), Mexico.
Measures 4.5 cm by 6.4 cm by 8.6 cm in total size.

Ex. Stoudt Mineral Collection
Price $3500

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MIN#Denver2017-39 NEW!

Superb specimen of crystallized Gold var. Electrum specimen!
This entire specimen is composed of crystals in all shapes and sizes! There are even
some spinel-twins in the mix and thick wires that bend back towards the Quartz matrix.
The luster is excellent and the color suggests a Silver content of at least 30% or higher.
I love quality Electrums from Nevada and this is one of the finest I've seen from the show.
From the Round Mountain Mine, Round Mountain District, Nye County, Nevada.
Measures 3.1 cm by 2.5 cm by 1.8 cm in total size.

Ex. Brown Mineral Collection
Price $4850

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MIN#Denver2017-40 Sold!

Very rare specimen featuring a large black Calcite sitting high atop large Dolomite crystals with golden Pyrites!
This is easily the finest of these
specimens I've seen. It features a large black Calcite crystal, included by shale
atop bluish-grey Dolomite crystals which are quite large in their own right! This is one those special rarities that
I always look for when they appear at the shows. Fine Calcite specimens from the Emerald Mining District of
Colombia are few and far between and this is the only specimen I've seen that hosts a HUGE 9 cm Calcite crystal!
It sits atop glassy Dolomite crystals and is complete on all sides with Pyrite crystal accents. In excellent condition.
From the Chivor Mine, Mun. de Chivor, Guavió-Guatéque Mining District, Boyacá Department, Colombia.
Large cabinet at 14.5 cm by 14 cm by 12.4 cm in total size.

Price $12,500

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MIN#Denver2017-40b NEW!

Gemmy Pink Precious Topaz crystal on hard Calcitic matrix from Katlang!
Pink Topaz crystals from Katlang are extremely rare and specimens that have not been
repaired or reattached are even rarer. The super gemmy, terminated Pink Topaz measures
1.7 cm in size. It displays glassy-brilliant crystal faces which allow for the internal color glow
that makes these pink gems world famous. In excellent condition with no detractions or contacts.
From Katlang, Mardan District, Khyber Pakhtunkhwa (North-West Frontier Province), Pakistan.

Measures 6 cm by 7 cm by 6.3 cm in total size.

Price $4500

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MIN#Denver2017-40c NEW!

Exceptional and rare combination featuring a large Golden Calcite with blue Anhydrite crystals attached to both sides!
This is a very rare specimen, the likes of which I haven't seen in many years. Very few were discovered and they are
almost impossible to find in the marketplace. This piece, like almost all that appear for sale in today's marketplace,
is from an older collection. Matrix specimens with aesthetics and isolated crystal sprays like this one are a true prize!
From Mantos Mixtos, Naica Mine, Naica, Chihuahua, Mexico.
Measures 10.2 cm by 11.5 cm by 9 cm in total size.

Comes with a custom made, labeled display base

Price $3500

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MIN#Denver2017-40d NEW!

Super aesthetic display of Native Silver wires with Calcite rising high above the matrix!
This fine "Kongsberg-style" Silver is actually from China and it has all the visual presence
of a larger Silver at a reduced size. The wires have a lovely antiquish patina and quite a bit
of surface luster. They are intermingled with the partial rhomb of Calcite which can be seen
atop the center of the twisting and curling wires. This is an exceptional miniature Silver!
From the Hongda Mine, Lingqiu Co., Datong Prefecture, Shanxi Province, China.
Measures 4.2 cm by 3.1 cm by 2 cm in total size.

Price $1850

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MIN#Denver2017-40e NEW!

TremendoGemmy Green Fluorite octahedron perched atop Quartz crystal covered matrix!
This is a very good combination piece from the famous mining district of Dal'negorsk. The quality, mint-green
 modified cuboctahedron of Fluorite is 3 cm across. Aside from a beautiful fluorescence, the crystal exhibits
preferential faces - as in the cubic faces are smooth and glassy while the octahedral faces are finely stepped.
From Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Siberia, Russia.
Measures 7.3 cm by 5.5 cm by 4.8 cm in total size.

Price $985

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MIN#Denver2017-40f NEW!

Lustrous cluster of golden Calcite scalenohedrons in a large cabinet display!
This is a beautiful centerpiece cluster of large, terminated golden Calcite crystals rising vertically atop grey host matrix.
The picture above shows the rolling luster quite well but it doesn't quite capture the true depth of this very impressive plate.
The Calcite crystals in the cluster are quite large, with most measuring well over 10 cm in length. They are well terminated
with glassy-lustrous surfaces and the few crystals which are not terminated are well hidden within the arrangement.

From the Milliken Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri.
Measures
20 cm by 26.5 cm by 18.3 cm in total size.

Price $3500

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