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Vendor:UnderGround Treasures
Stibnite on Quartz with Calcite
I’m not sure where to begin with this piece - it’s another one of my favorites and I notice something new every time I study it. Besides being huge, the most obvious feature are the Stibnite clusters - their delicateness, metallic luster and flower-like...- $1,350.00
- $1,350.00
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Vendor:UnderGround Treasures
Calcite with Clear Apophyllite
What started out as a large, highly translucent yellow Calcite crystal eventually became overgrown on the sides and back with doubly-terminated transparent colorless Apophyllite crystals. The end result is a gemmy, highly vitreous, contrasting and highly aesthetic specimen of Calcite with Apophyllite. I’ve only...- $600.00
- $600.00
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Vendor:UnderGround Treasures
Fluorite, Purple Botryoidal
This large piece features botryoidal translucent purple Fluorite with a soft, almost silky luster. The main face is quite stunning, but almost as stunning are all of the parallel cavities that are likewise coated with the same botryoidal purple Fluorite. You could examine this...- $420.00
- $420.00
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Vendor:UnderGround Treasures
Fluorite with Arsenopyrite
A very aesthetic piece that features several deep purple, intergrown and highly translucent to transparent Fluorite cubes with adjoining Arsenopyrite crystals. The contrast between the two mineral colors and Fluorite’s vitreous luster vs Arsenopyrites bright metallic luster create a very eye-catching piece. Excellent condition....- $170.00
- $170.00
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Vendor:UnderGround Treasures
Calcite Crystal Cluster
This unique piece features two intersecting spherical Calcite crystal clusters. These clusters exhibit an “oily” luster with a striking yellow/orange color. No damage. Location: Wenshan, Yunnan Province, China Size: 12 x 9 x 7 cm- $230.00
- $230.00
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Vendor:UnderGround Treasures
Apophyllite with Stilbite
A very aesthetic piece that that is covered with light green Apophyllite crystals. Set among the Apophyllite crystals are numerous Stilbite crystals, several having a “bowtie” crystal formation. The pearly luster of this piece is outstanding. But wait - be sure to look at...- $425.00
- $425.00
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Vendor:UnderGround Treasures
Epidote
This is a massive cluster of countless intersecting, doubly-terminated prismatic Epidote crystals (ok, maybe not countless, but way more than I care to count . . . ). The crystals have striated faces, a deep green color and are in excellent condition. There is...- $1,300.00
- $1,300.00
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Vendor:UnderGround Treasures
Astrophyllite
This piece hosts a complete spray of radiating, bronze-colored Astrophyllite crystals on a nicely contrasting bed of white Quartzite, along with a smaller spray on the side. The Astrophyllite crystals have an almost metallic luster. I have searched far and wide and have rarely...- $375.00
- $375.00
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Vendor:UnderGround Treasures
Fluorite, Purple over Fluorite, Green
This specimen features well-defined 2nd generation purple/grey Fluorite cubes over a previous crystalline mass of 1st generation green Fluorite. What makes this piece particularly attractive is that the 2nd generation of Fluorite has left a few windows into the 1st generation of Fluorite, creating...- $425.00
- $425.00
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Vendor:UnderGround Treasures
Smoky Quartz, Elestial Cluster
This is an excellent specimen of Elestial Smoky Quartz. The Quartz is a light brown transitioning to darker brown near the terminations with great luster, and it is gemmy and transparent at the terminations. This piece will catch your eye! In excellent condition. Location: Minas...- $260.00
- $260.00
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Vendor:UnderGround Treasures
Hemimorphite
A large piece covered with beautiful radiating sprays (flower-like clusters) of highly lustrous, transparent crystals of Hemimorphite, with great contrast and in excellent condition. This is a great show piece! Location: Mina La Ojuela, Mapimi, Durango, Mexico Size: 13.5 x 10.5 x 6.5 cm- $185.00
- $185.00
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Vendor:UnderGround Treasures
Smoky Quartz with Muscovite on Feldspar
Several Smoky Quartz crystals with Muscovite Mica on Feldspar. The Smoky crystals are lustrous, highly translucent to transparent at the tips and overall in great condition. Nice contrast and an attractive piece. Location: Galileia, Minas Gerais, Brazil Size: 11 x 8.5 x 4.5 cm- $120.00
- $120.00
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Vendor:UnderGround Treasures
Fluorite, Green on Quartz
A really nice display piece featuring two translucent (see backlit pic), mint-green octahedral Fluorite crystals set on a matrix of white microcrystalline quartz. The fluorite crystals have a textured surface due to microscopic stepped crystal growth. Great piece in excellent condition. Location: Hunan Province, China Size: 11.5 x...- $290.00
- $290.00
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Vendor:UnderGround Treasures
Rhodochrosite with Sphalerite, Quartz
This is a fascinating piece - it features swirls of Rhodochrosite seemingly wrapped around miniature globular aggregates of sphalerite, all on a matrix of quartz. Many of the Rhodo crystal aggregates have an almost rosette-like formation. I had a little trouble capturing the pink...- $210.00
- $210.00
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Vendor:UnderGround Treasures
Sphalerite on Quartz with Calcite
A showy cluster of Sphalerite crystals on quartz, with red microcrystalline quartz crystals intermingled with, and in some instances, coating several of the Sphalerite crystals, along with numerous Calcite crystals populating the piece, especially the back. The Sphalerite crystals are a deep reddish-brown (see...- $690.00
- $690.00
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Vendor:UnderGround Treasures
Boulder Opal
An unusually large piece of Boulder Opal with an impressive seam of Opal running through it, with multiple smaller seams throughout the sandstone, visible on all sides. Amazing contrast both in color and in luster - a great piece. Location: Andamooka, South Australia Size: 18 x...- $600.00
- $600.00
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Vendor:UnderGround Treasures
Celestine Spray on Hematite
A beautiful, colorless Celestine spray on Hematite. Colorless Celestine is “pure” in that there are no impurities that usually give this mineral a variety of colors, especially blue. A truly unique and attractive piece with great contrast. Excellent condition. Location: N'Chwaning III Mine, Kalahari, South...- $200.00
- $200.00
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Vendor:UnderGround Treasures
Vanadinite
A large plate of bright red, translucent and gemmy Vanadinite crystals. The crystals not only cover the front but the top and one side as well which is unusual. This was a really tough piece to photograph - I promise there was zero added...- $1,100.00
- $1,100.00
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Vendor:UnderGround Treasures
Vanadinite
This is a huge, incredible plate of Vanadinite. I have not seen a larger nor nicer specimen. The hexagonal crystals are deep red, translucent and gemmy with a glassy luster. The contrast is perfect between the deep red and the light colored matrix. It...- $3,200.00
- $3,200.00
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Vendor:UnderGround Treasures
Stilbite on Chalcedony
I’m generally not a big fan of most Zeolites, mainly because they’re overabundant and usually of poor quality. But I discovered a handful that I couldn’t look the other way and picked them up. These Stilbites are perfectly formed, translucent with a beautiful pearl...- $250.00
- $250.00
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Vendor:UnderGround Treasures
Stilbite on Chalcedony
I’m generally not a big fan of most Zeolites, mainly because they’re overabundant and usually of poor quality. But I discovered a handful that I couldn’t look the other way and picked them up. These Stilbites are perfectly formed, translucent with a beautiful pearl...- $250.00
- $250.00
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Vendor:UnderGround Treasures
Stilbite on Chalcedony
I’m generally not a big fan of most Zeolites, mainly because they’re overabundant and usually of poor quality. But I discovered a handful that I couldn’t look the other way and picked up this perfectly formed, translucent Stilbite, with a beautiful pearl luster. This...- $175.00
- $175.00
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Vendor:UnderGround Treasures
Stilbite on Mordenite
Whenever I see a crystal that has a perfect termination, is representative of the specific mineral, great luster and color and set nicely on a contrasting matrix, regardless of what mineral it is, I want it. And thus, this Stilbite! Location: Jalgaon, Maharashtra, India Size: 10.5...- $75.00
- $75.00
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Vendor:UnderGround Treasures
Quartz var. Rose
One of my favorite pieces ever! A cluster of Rose Quartz crystals wrapped around Milky Quartz. The Rose Quartz crystals are flawless and transparent, the color is a rich rose color, the luster is glassy and gemmy, and the contrast is unbeatable. One of...- $3,200.00
- $3,200.00
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Vendor:UnderGround Treasures
Stilbite, Red on Chalcedony
A plate featuring much less common red Stilbite crystals. The main crystal appears to be the upper half of the common bow-tie crystal formation (the other half being covered by Chalcedony crystals). Great contrast, rare piece and no damage. Location: Nashik, India Size: 14.3 x 14 x...- $225.00
- $225.00
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Vendor:UnderGround Treasures
Scolecite, Red
This is a classic specimen of red-orange radiating acicular Scolecite crystals coated with translucent colorless Chalcedony, creating this unique and beautiful sunburst look. An awesome specimen and great show piece! No damage. Location: Chandanapuri, Nashik, Maharashtra, India Size: 9 x 7.5 x 5 cm- $425.00
- $425.00
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Vendor:UnderGround Treasures
Quartz, Red
There’s been a lot of Red Quartz coming out of Morocco lately, but most pieces have minor (or major) dings and such, so I was able to, after much perusing, find a few pieces that were quite stunning, balanced and undamaged. This is one...- $475.00
- $475.00
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Vendor:UnderGround Treasures
Amethyst Quartz
This is a beautiful plate of Amethyst from the active Purple Hope Claim in King County, WA. I especially like the light lavender, transparent crystals caped with a darker purple termination. Makes for an atypical plate of Amethyst and really catches the eye. Great...- $250.00
- $250.00
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Vendor:UnderGround Treasures
Pyromorphite on Limonite
This piece hosts several clusters of apple-green Pyromorphite crystals. There is one cluster (top right) where the crystals all seem to have interconnected making an unusual solid mass (irregular aggregate) that I haven’t seen before, yet makes for an amazingly intense color and “greasy”...- $1,200.00
- $1,200.00
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Vendor:UnderGround Treasures
Prehnite with Apophyllite and Gyrolite
A beautiful specimen of Prehnite coated with a clear Apophyllite and hosting numerous rectangular Apophyllite crystals. The crystals are transparent and gemmy. There are also numerous Gyrolite spherical aggregates (ok, Gyrolite balls, just didn’t like the sound of that . . . ) for...- $525.00
- $525.00
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