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Vendor:UnderGround Treasures
Chalcedony Needle Stalactites
A fascinating new find out of Nashik, India: A plate of needle-like stalactites of Chalcedony creating a breathtaking visual - it’s surreal, like some kind of miniature set piece with miniature arches (see the pics). This is another one of those “that can’t be...- $600.00
- $600.00
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Vendor:UnderGround Treasures
Sphalerite
The piece features spectacular, deep-red, transparent and lustrous Sphalerite crystals on Quartz. There are numerous Sphalerite crystals throughout the piece, and they are gemmy and sharp and many are unusually large. The front is covered with a reddish microcrystalline Quartz/Sphalerite while the back is...- $610.00
- $610.00
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Vendor:UnderGround Treasures
Aquamarine
This is a fascinating specimen of Aquamarine from China. If features two large opposing tabular crystals in addition to several more smaller tabs on matrix along with numerous aggregates of sharp small Muscovite crystals. The large tab on top (in the video) has a...- $1,200.00
- $1,200.00
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Vendor:UnderGround Treasures
Quartz
I know, you see Quartz and think to yourself, “big deal.” Well first of all, this is big, like huge. But what really impressed me was the perfection of all five crystal terminations, particularly the main, forward crystal. And all natural, no polishing. Transparent,...- $1,200.00
- $1,200.00
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Vendor:UnderGround Treasures
Fluorite, Green on Quartz
A very large plate featuring several dark-green, stair-stepped octahedral Fluorite crystals on Quartz. In addition to the main Fluorite crystal aggregates are numerous small green Fluorite crystals scattered throughout the plate and amongst the Quartz crystals. The effect is incredible, causing the Fluorite to...- $410.00
- $410.00
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Vendor:UnderGround Treasures
Fluorite, Green
This is a very aesthetic, lustrous piece that has two intergrown deep-green octahedral Fluorite crystals with a second generation of colorless Fluorite cubes. The octahedral Fluorite crystals have a very well defined pyramidal stair-stepped crystal growth, while the 2nd gen of colorless cubic crystals...- $190.00
- $190.00
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Vendor:UnderGround Treasures
Aquamarine
This is a huge, stunning specimen of etched Aquamarine on Albite with Muscovite. The Aqua is essentially colorless, transparent, gemmy and perfect. (Incidentally, Aquamarine in its purest form is colorless, although it is frequently tinted by impurities.) But the natural hydrothermal etching makes the...- $1,900.00
- $1,900.00
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Vendor:UnderGround Treasures
Aquamarine
A beautiful, transparent, gemmy light blue Aquamarine on Albite. The Aqua crystal is undamaged with a perfect termination. Awesome specimen and great price. Location: Shigar Valley, Skardu District, Pakistan Size: 6 x 3.5 x 3 cm- $325.00
- $325.00
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Vendor:UnderGround Treasures
Mangano Calcite
A beautiful piece featuring translucent Mangano Calcite crystals in plumose aggregates. Plumose: “Featherlike aggregate in which many small crystals protrude out of a long, slender one.” (Minerals.net) These pink Calcite crystal formations are an uncommon occurrence, yet these flower-like crystal aggregates are absolutely amazing...- $230.00
- $230.00
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Vendor:UnderGround Treasures
Stilbite
I know Zeolites can be a yawner, but every once in a while you come across an eye-catcher, and I consider this piece to be just that. It features a large aggregate of numerous “bowtie” shaped, translucent and lustrous pink/salmon colored Stilbite crystals. The...- $165.00
- $165.00
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Vendor:UnderGround Treasures
Cavansite
Cavansite is one of those minerals with it’s indescribable vivid-blue color that captures your attention. This particular specimen hosts one very large spherical cluster of deep blue Cavansite right in the center of the contrasting matrix. I simply cannot accurately capture the color in...- $650.00
- $650.00
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Vendor:UnderGround Treasures
Scolecite, Red
This is a rare find for sure. This is a piece that features translucent colorless Chalcedony over acicular red-orange Scolecite. It’s a rare find, let alone one that is complete. In addition, the base of this specimen contains a second partial “sunburst” Scolecite. This...- $840.00
- $840.00
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Vendor:UnderGround Treasures
Fluorite, Blue on Quartz
A fascinating piece from a recent find in Inner Mongolia. It features a Quartz matrix of two generations: a clear core with a second, off-white opaque miniature crystalline Quartz coating rendering the hosting Quartz matrix slightly translucent. The Fluorite from this find is really...- $420.00
- $420.00
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Vendor:UnderGround Treasures
Fluorite, Purple Cubic
A very large, beautiful plate of purple Fluorite cubes with a nice satin luster. The cubes are a reasonably large with numerous crystals showing stair-stepped crystal growth. This is a really aesthetic specimen in excellent condition. Location: Qinglong, Guizhou, China Size: 15 x 12 x 5...- $375.00
- $375.00
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Vendor:UnderGround Treasures
Fluorite, Purple Cubic
A large, beautiful plate of purple Fluorite cubes with a nice satin luster. The cubes are a reasonably large with numerous crystals showing stair-stepped crystal growth. This is a really aesthetic specimen in excellent condition. Location: Da Li, Yueng nan, China Size: 13.5 x 9 x...- $470.00
- $470.00
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Vendor:UnderGround Treasures
Mangano Calcite
A beautiful piece featuring translucent Mangano Calcite crystals in plumose aggregates. Plumose: “Featherlike aggregate in which many small crystals protrude out of a long, slender one.” (Minerals.net) These pink Calcite crystal formations are an uncommon occurrence, yet these flower-like crystal aggregates are absolutely amazing...- $375.00
- $375.00
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Vendor:UnderGround Treasures
Zircon
This cabinet sized specimen hosts a single, sharp, translucent deep-red Zircon crystal exhibiting the class pyramidal termination often associated with this mineral. The Zircon crystal is sitting perfectly positioned in a nicely contrasting Marble matrix with black Biotite scattered throughout the matrix. A great quality,...- $180.00
- $180.00
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Vendor:UnderGround Treasures
Calcite
A huge piece that is entirely covered with miniature Calcite scalenohedra. What’s make this piece even more interesting is that these numerous Calcite crystals are clearly arranged into several flower-like clusters, emanating from a center point and radiating outward. Absolutely beautiful! The soft-white color,...- $270.00
- $270.00
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Vendor:UnderGround Treasures
Mangano Calcite
This specimen hosts a cluster of lavender Calcite scalenohedra on a layer of slightly amethystine crystalline Quartz. It’s unusual to see a specimen with such contrasting halves - the large, lavender Calcite crystals across from the crystalline Quartz - like a line was drawn...- $370.00
- $370.00
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Vendor:UnderGround Treasures
Opal, Natural
A stunning natural Opal (some matrix is still attached) from Welo, Ethiopia. Again, this is its natural form, unpolished. To be honest with you, I prefer this natural Opal over the polished version. (Although, I wisely wouldn’t consider giving this to my wife on...- $800.00
- $800.00
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Vendor:UnderGround Treasures
Mangano Calcite
This is a beautiful specimen of numerous light pink Mangano Calcite Rhombohedra. The piece appears to be very lightly dusted with a microcrystalline Calcite, giving it a satin luster. Bear with me on this thought: When I’ve displayed this piece next to countless shiny...- $175.00
- $175.00
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Vendor:UnderGround Treasures
Yellow Quartz
An impressive, light yellow Quartz cluster from Madagascar. There are over half a dozen crystal terminations, and numerous more smaller terminations near the bottom of the specimen. The front of the piece is dusted with a druze of microcrystalline Quartz, creating a beautiful sparkly...- $145.00
- $145.00
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Vendor:UnderGround Treasures
Mesolite Cyrstals in Vug
Typical Mesolite sprays with their fragile, needle-like crystals are a challenge to transport to say the least. That’s what I love about this piece - all of the Mesolite crystals are within a vug, thus offering protection to the Mesolite crystals from the environment...- $340.00
- $340.00
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Vendor:UnderGround Treasures
Barite, Blue Spray on Matrix
A beautiful, cabinet sized specimen of lustrous, transparent, blue tapered Barite crystals. Set these amazing crystals on a dark brown Gossan matrix and now the contrast and presentation is just incredible. One of the many features that makes these crystals so fascinating is the...- $575.00
- $575.00
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Vendor:UnderGround Treasures
Mesolite Hemispheres on Stilbite
This is a really unique piece - just the sheer size of the main Mesolite sphere is impressive. Also, some might expect Mesolite to be a sphere of delicate needles, but in this case it is more globular with spiky protrusions. The contrast between...- $290.00
- $290.00
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Vendor:UnderGround Treasures
Calcite with Chalcopyrite
This extra large piece hosts 2 generations of Calcite: the first generation is featured on the front which is a layer of bright white, highly lustrous Calcite crystals, and then on the side and back is a second generation of beige colored microcrystalline Calcite...- $265.00
- $265.00
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Vendor:UnderGround Treasures
Apophyllite, White on Matrix
A very large, striking specimen of highly translucent, lustrous Apophyllite crystals on a contrasting dark brown matrix. The crystals are pseudo-cubic with modified corners and are a brilliant white color. Not your normal Zeolite! In excellent condition. Location: Jalgaon, Maharashtra, India Size: 17 x 10 x...- $295.00
- $295.00
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Vendor:UnderGround Treasures
Selenite, Ram's Horn
A very attractive Selenite Ram’s Horn from Chihuahua, Mexico. I have seen numerous variations on this theme, and this specimen is yet another one. Not a typical “ram’s horn” formation, but more of a “wave.” It has a great “sparkle” luster and is in...- $295.00
- $295.00
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Vendor:UnderGround Treasures
Prehnite
This is a massive plate hosting countless miniature Prehnite stalactites or “fingers.” These are not epimorphs where the Prehnite covers the original mineral and the original mineral subsequently dissolves leaving a hollow cast, but rather solid Prehnite stalactites. A very unusual and even rare...- $340.00
- $340.00
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Vendor:UnderGround Treasures
Fluorite
A beautiful specimen featuring a cluster of translucent, deep purple Fluorite cubes with interior yellow Fluorite zoning (see closeup pics) from the famous Cave-In-Rock location. The crystals are sharp, stepped and intergrown with a luster that can only be captured in person. If you...- $385.00
- $385.00
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