Featured Specimens
Diamond (twinned)
Displaying exquisite adamantine luster and limpid clarity, this uncut 3.32 carat colorless, diamond is a superb example of a macle twin (flattened twin) in diamonds. Specimens of this full thumbnail collectible size are increasingly uncommon, and gen...
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Rhodochrosite with Fluorite and Quartz
The Wutong mine in China produced this finely sculptural, beautifully balanced specimen of red-pink Rhodochrosite crystals sitting atop pale green Fluorite with Quartz. This dates back at least a decade, possibly to the early 2000s. Such a style is V...
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Corundum var. Ruby
This is a HUGE Ruby crystal from the Mysore district in India. Ruby Corundum crystals have been produced from this locality for decades; however, crystals of this size are the exception. This piece appears complex due to the apparent multiple paralle...
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Wulfenite and Dioptase on Calcite
Sharp, sparkling emerald green Dioptase crystals cover the display side of this attractive and important Tsumeb combination piece. The scintillating, gemmy 2 mm Dioptase crystals embellish the snow-white Calcite on the front of this piece. The Diopta...
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Fluorite and Chalcopyrite on Quartz
This is a very rare combination from the Yaogangxian Mine (or anywhere, really) with a deep purple Fluorite centered at the top of the matrix of milky Quartz crystals and in association with bright, metallic yellow Chalcopyrites. The Fluorite group i...
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Dioptase on Calcite
This is an exceptional small cabinet Dioptase on Calcite from Tsumeb with ISOLATED crystals to 1.5 cm! Well over a dozen gemmy, super lustrous, emerald green Dioptase crystals are nicely isolated on a background of contrasting pearly white Calcite fr...
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Stibnite on matrix
A large and commanding spray of Stibnite from the Lushi area in China, a historic location which produced specimens during mining operations in the 1980s and into the 1990s, but not since. Any specimens on matrix from those days are extremely rare, a...
SEE DETAILSFrom Humble Beginnings
Much like the minerals we treasure and collect, the Arkenstone comes from humble beginnings and a small start, but we're thrilled to see how the industry has grown over the 30 years we've been operating!
READ MORETake a Look in The Vault
The Vault is where we keep our very significant, admittedly pricier, specimens for viewing. These minerals often find homes with collectors who not only enjoy the beauty of fine minerals, but who treat their collections as valuable investments.
ENTER VAULT