The Denver 2016 Mineral Showrooms
* Updated November 2nd, 2016 *
gemmy red Rhombs of Rhodochrosite with needle Quartz and Tetrahedrites!
Stunning specimen featuring two attached gemmy rhombs of the highest luster and deepest
color sitting atop the Quartz needle covered matrix. The rhombs measure 2.7 cm in size and
exhibit very glassy surfaces on all sides. They are surrounded by smaller rhombs situated
the front, sides, and backs, which serve to completely frame the center Rhodos. One of the
finest Sweet Home miniatures I've seen in years! In excellent condition and pure eye
From Rob's Pocket, Mini-King
Raise, Sweet Home Mine, Alma, Park County, Colorado.
Measures 5 cm by 3.9 cm by 5 cm in total size.
Ex. Fisher and Kureczka Mineral Collection
specimen of brilliant Legrandite crystals on a small amount of Limonite matrix!
One of the finest Legrandite miniatures I've ever seen! This minature sized "Aztec
Sun" came to
market at the show from a private collection and offers a unique opportunity for
collectors to add
a very high quality Legrandite to their own collection. The specimen is in excellent
super glassy crystals to nearly 4 cm in length! The luster is fantastic and light dances
specimen's radial structure when held and rotated. A small amount of matrix is located
bottom and there is also a small amount at the very top, indicating the crystals grew
inside a vug
or matrix recess. The largest crystals along the left edge are terminated at both top and
From the Ojuela Mine,
Mapimí, Mun. de Mapimí, Durango, Mexico.
Measures 4.4 cm by 3 cm by 2.1 cm in total size.
Ex. Santa Fe Mineral Collection
Comes with a custom made, labeled display base
aesthetic wires of Native Silver, rising upwards atop black matrix!
I haven't seen a Peruvian Silver of this calibre in over a decade since they were first
This impressive specimen features half a dozen sturdy wires rising high above the black
with the wire on the far right becoming more crystalline at the top where it expands in
size due to
the presence of numerous Silver crystals. The wires are perfectly spaced and curl inward
outward, forming one of the most aesthetic displays I've ever seen in a Native Silver
From the Uchucchacua Mine,
Oyon Province, Lima Department, Peru.
Measures 8.2 cm by 4.9 cm by 5.5 cm in total size.
Ex. Proctor, Szenics Mineral Collections
plate of reddish-purple Fluorite with larger cubes sitting atop smaller cubes below!
This is a tremendous Illinois Fluorite plate and the color is incredibly vibrant. The
Fluorites are my second favorite behind the blue varieties and I also have some of those
online in future updates. This specimen displays dozens of small, gemmy Fluorite cubes,
covering the matrix. Atop these cubes are larger cubes measuring to 3+ cm each and these
well above the surface, imparting the specimen with a very 3-dimensional appearance.
Illinois-Kentucky Fluorspar District, Hardin County, Illinois.
Measures 12 cm by 9.5 cm by 5.5 cm in total size.
Ex. Snizek Mineral Collection
gem crystals of Brazilianite perched atop Albite matrix!
Gemmy, glassy, doubly terminated crystal of Brazilianite measuring 4.2 cm in side from tip
perfect tip. A smaller Brazilianite juts our from just beneath the large crystal and both
a white matrix of reflective Albite. Very aesthetic and in excellent condition with no
From the Telírio Claim,
Linópolis, Divino das Laranjeiras, Doce valley, Minas Gerais, Brazil.
Measures 7 cm by 4.2 cm by 4.5 cm in total size.
cabinet plate featuring Malachite stalactites on shimmering botryoidal Malachite!
This specimen caught my eye and it is the finest Malachite stalactite plate I've seen in
half a decade.
I counted well over a dozen Malachite stalactites rising up from the glistening botryoidal
surfaces and all are complete at top, save for one, which has naturally broken open to
show the internal
radial structure before recrystallizing sometime in the past. I always like to see at
least one broken
stalactite on these specimens because it greatly increases the contrast and visual
The largest stalactites along the left edge are partially coated with a darker Malachite
which only further enhances the beauty and luster of this plate. Nearly pristine with
barely a contact.
From the Shaba Copper Belt,
Katanga (Shaba), Democratic Republic of Congo
Measures 10 cm by 13.7 cm 10.4 cm in total size.
rare crystal cluster of brilliant white dogtooth Calcites from New Mexico!
There are no photos of Calcite for this locality in mindat.org and this is the first
specimen I've seen
or offered on the website. The area around Silver City is known more for Copper and
but this is a very impressive Calcite plate featuring highly lustrous crystals of varying
sizes. The crystals
display somewhat jagged tips, much like the dogtooth Calcites one sees from Mexico. In
From Silver City, Grant
County, New Mexico.
Measures 8.8 cm by 8.7 cm by 6.3 cm in total size.
plate of lustrous Cadmium Smithsonite crystals on matrix!
A super lustrous specimen, covered from one end to the other with highly reflective
of yellowish-orange Smithsonite. It's extremely difficult to find Smithsonites of this
quality in the marketplace and this piece has been tucked away in a private collection for
I was fortunate enough to acquire this specimen and several others of a different color
the show and all, like this one, are in excellent condition. These crystals are actually
From the Tsumeb Mine, Tsumeb,
Otjikoto Region, Namibia.
Measures 7.2 cm by 8 cm by 3.4 cm in total size.
Ex. Franz Lammer Mineral Collection
specimen featuring curling crystals and nodules of blue Hemimorphite on matrix!
Very pretty specimen of blue Hemimorphite on a concave matrix. The Hemimorphite appears as
and half nodules atop the sparkling brown matrix lined surface. The unusual crystals are
condition and display a satiny luster. I don't see many of these specimens and this is a
From the 79 Mine, Chilito,
Hayden area, Banner District, Dripping Spring Mts, Gila County, Arizona.
Measures 8.8 cm by 7.5 cm by 4.6 cm in total size.
Ex. Van Tichelen Mineral Collection
RARE!! Rhodochrosite crystals on Manganite matrix from Croatia!
This is a specimen of Rhodochrosite from a locality so obscure that it isn't even listed
mindat.org. The specimen was mined in the 1850's near the community of Voinic which is a
small municipality in north-central Croatia. The Rhodochrosite appear as rice-grain shaped
crystals tucked into the recesses of the dark matrix. A beautiful old time rarity from
From Voinic, Karlovac County,
Measures 5.3 cm by 6.3 cm by 3.2 cm in total size.
Ex. Huber Mineral Collection
fine specimen of Native Silver dendrites on Calcite!
Lovely feathers of Native Silver dendrites rise up atop the Calcite matrix with darker
Acanthite accenting scattered about. There's also a light coating of Acanthite drusy
along the top portions of the Silver feathers. Very intricate in appearance but quite
From Batopilas, Andres del
Rio District, Mun. de Batopilas, Chihuahua, Mexico.
Measures 4.3 cm by 2.4 cm by 2 cm in total size.
Huge flattened and hoppered crystals of
Vanadinite in cluster!
This is a fascinating specimen, one that I've seen the likes of only a few times.
It's a cluster of elongated Vanadinite crystals that have formed what appears
to be a large fan-like crystal with hoppering on one side and lustrous smooth crystal
faces on the other. The specimen is in very good condition with only a few contacts
along the back side but nothing that detracts. The seam along the center has been
stabilized to strengthen the structure. A large, lustrous, and very aesthetic specimen!
From the Mibladen Mining Dist., Midelt, Khénifra Prov.,
Meknès-Tafilalet Region, Morocco.
Measures 6.3 cm by 5.2 cm by 2 cm in total size.
Ex. Webb Mineral Collection
specimen featuring gemmy yellow Calcites with Chalcopyrite on Quartz matrix!
Unusual specimen in that the Calcite crystals are gemmy and the matrix is a sparkling
seam. Both Calcites are doubly terminated athough the crystal on the left terminated
now missing matrix. It measures 5+ cm in size with the other Calcite measuring just under
From the Viburnum Trend
District, Reynolds County, Missouri.
Measures 8.3 cm by 8.6 cm by 3.8 cm in total size.
lustrous crystal of Acanthite ps after Argentite!
We acquired a collection of this very large, super lustrous Acanthite crystals while in
and they are quite the sight to see. Most if not all display some hoppering indicating a
formation as the Acanthite pseudomorphed the higher temperature Argentite. Exceptional
From Fresnillo de Gonzalez
Echeverria (Fresnillo), Mun. de Fresnillo, Zacatecas, Mexico.
Measures 2.5 cm by 3.1 cm by 2 cm in total size.
Super lustrous and scarce specimen of
Native Gold on white Quartz matrix!
The specimen appears as brilliant crystalline Gold with crystals forming the entire
structure. The surface is lustrous and slightly textured. Very arborescent in appearance.
From the Oriental Mine, Alleghany, Forest District, Sierra
Measures 3.4 cm by 2 cm by 1.3 cm in total size.
and very impressive plate of Orange Calcite scalenohedrons in cluster on Amethyst
A spectacular large cabinet sized centerpiece, the orange Calcites in the center are
deeply colored with
an intense flowing lustrous. They are completely orange and not coated orange and this is
not a color one
often sees in Calcite crystals. They're actually quite rare and this is the finest large
plate of this variety
that I've seen in a long time. In excellent condition across the entire length of the
plate with barely a scuff.
From Ametista do Sul, Alto
Uruguai Region, Rio Grande do Sul, Brazil.
Measures 12 cm by 31 cm by 15.1 cm in total size.
bright and super lustrous blades of Hematite with Quartz!
Great looking cluster of brilliant, reflective Hematite blades on a small amount of
I love the striated surfaces of these blades and they are all razor sharp and so
From Kuruman, Kalahari
manganese field, Northern Cape Province, South Africa.
Measures 4.2 cm by 4.5 cm by 3.3 cm in total size.
Ex. Webb Mineral Collection
specimen of crystalline Native Copper with Quartz and Epidote!
Very high quality specimen displaying numerous sharp, well formed Copper crystals on all
sides. The crystals come together to form a cluster that is both very aesthetic and 360
displayable. The surfaces are mostly smooth with a rolling luster and beautiful
From the Centennial Mine,
Centennial, Houghton County, Michigan.
Measures 8 cm by 7.3 cm by 6.8 cm in total size.
Ex. Carl Bentley Mineral Collection
Gorgeous pink-tipped green Elbaite
Tourmaline with Quartz!
The colors are a rich pastel and consistant throughout the gemmy interiors at top
to the more translucent interiors near the bottom. The termination is complex and
actually consists of several terminations coming together like a tight cluster. Very nice!
From the Konar Province of Afghanistan.
Measures 5.3 cm by 4 cm by 2.7 cm in total size.
Sharp, translucent blue crystals of
Azurite on white Dickite matrix!
These crystals display mind blowing luster and glow a deep vibrant blue under
The terminations are complete and the contacts are very few and trivial. This is one of
things I always check for in a Milpillas specimen because so many have broken tips. The
placement atop white matrix imparts stark contrast and really makes the crystals stand
From the Milpillas Mine, Cuitaca, Sonora, Mexico.
Measures 4.5 cm by 7 cm by 1 cm in total size.
crystals of Beryl var. Emerald on Calcite matrix!
This gorgeous specimen features two main Emerald crystals instead of the usual just one.
The largest stands
vertically in the center of the matrix and measures over 2 cm in size. The smaller crystal
is the most gemmy
of the two and it's literally like deep green glass it's so clear. It lays horizontally
just above the vertical crystal!
A wonderful multi-Emerald specimen and these are few and far between. In excellent
condition with great color
and luster throughout. This was my favorite Emerald specimen at the show and they're
becoming quite scarce.
From the Chivor Mine, Mun. de
Chivor, Guavió-Guatéque Mining District, Boyacá Department, Colombia.
Measures 5.4 cm by 5.7 cm by 5.2 cm in total size.
Ex. Dr. Wilke Mineral
combo piece of Rhodochrosite with Calcite, Arsenopyrite, and Quartz crystals!
Very attractive specimen featuring a base of pink Rhodochrosite which serves as host for
Calcite octahedrons with lustrous Arsenopyrite and Quartz crystals. The crystals are clean
and free of contacting
and the combination is rather scarce. This is definately not a specimen that appears in
the marketplace very often
From the Trepca Stan Terg
Mine, Trepca complex, Trepca Valley, Kosovska Mitrovica, District of Kosovska Mitrovica,
Measures 4.5 cm by 6.6 cm by 3.3 cm in total size.
Ex. Huber Mineral Collection
specimen featuring a Native Copper Amygdaloid Pipe on matrix!
A unique specimen - Amygdaloid refers to the opening in the matrix which has been filled
with a flow of Native Copper. When the Native Copper cooled, it formed a "pipe"
matrix, or a double pipe as in this case. There are two pipes which come together halfway
above the matrix, forming a specimen which is both quite scarce and incredibly aesthetic.
From the Copper Falls Mine,
Copper Falls, Keweenaw County, Michigan.
Measures 9.5 cm by 2.7 cm by 4 cm in total size.
Thick tabular crystals of Barite sitting
atop violet-purple Fluorite!
A classic specimen from Colorado, this is first I've seen from this locality in almost a
The condition is excellent and the surfaces are complete with very few contacts. A rare
From the Colorado Fluorspar Co. Mine, Wagon Wheel Gap,
Mineral County, Colorado.
Measures 12.4 cm by 13 cm by 4.8 cm in total size.
Ex. Bill Hayward Mineral Collection
Gorgeous specimen of Boulder Opal in
This is a great specimen Opal which displays a large amount of gem material in relation
to the Ironstone matrix - Much thicker than usual. It also displays a strong combination
color with vivid flashes of blue, green and purple. Could be turned into a fine piece of
From the Opal fields of Quilpie, Quilpie Shire,
Measures 5.3 cm by 3.8 cm by 1.5 cm in total size.
Ex. Webb Mineral Collection
Rare! Brilliant plate of lustrous Native Mercury drops with red Cinnabar on Calcite
I love these specimens but don't come across them very often. This plate displays a good
number of the shiny
drops or nodules of Native Mercury against a backdrop of red Cinnabar and brown matrix.
Also, the backside of
the specimen is completely covered by deep red Cinnabar so this is actually a two sided
specimen! A rare opportunity!
From the Socrates Mine,
Castle Rock Springs area, West Mayacmas District, Mayacmas Mts, Sonoma Co., California.
Measures 5 cm by 7.3 cm by 2.8 cm in total size.
Ex. J. Webb Mineral Collection
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