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1.8" Silver SKUTTERUDITE SharpMetallic Crysta...
$30.00$120.00
Here Is a brilliant, flashy, showy specimen of the rare nickel-cobalt arsenide mineral skutterudite,..
11mm MetallicSilverBlack Octahedral CUPRITE SharpS...
$17.50$70.00
Here is a sharp single cuprite crystal from classic find at the now-closed Poteryaevskoe copper mine..
2" Graves Mtn TWIN RUTILE Crystals Sharp Dark...
$15.00$60.00
From an old collection, here is a pair of sharp, twinned rutile crystals on matrix. The intersecting..
2.1" SKUTTERUDITE Crystals Brilliant Metallic...
$35.00$140.00
Here is fine specimen of skutterudite, a rare nickel cobalt arsenide, that comes from Bou Azzer, Mor..
2.6" SilverGray Metallic Crystals of BOURNONI...
$12.50$50.00
This matrix specimen is comprised of classic bournonite crystals in a metallic battleship color with..
2.7" Hoppered BISMUTH Crystals Shiny Metallic...
$18.75$75.00
The native element bismuth crystallizes in amazing hoppered shapes when it grows on a cooling melt. ..
2.7" Stadium Stair Steps BISMUTH Crystal Irid...
$18.75$75.00
Here is a specimen of lab-grown bismuth that features large crystals in brilliant, heavily saturated..
2.8" Hoppered BISMUTH Crystals Shiny Metallic...
$20.00$80.00
Here is a superb specimen of bismuth, lab grown to create large, sharp, perfect crystals. The ..
2.8" Shiny Metallic BlueMagentaSilver BISMUTH...
$18.75$75.00
This lab grown specimen features crystals with hoppered edges that are fully developed, but the inte..