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Carrollite On Dolomite

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KSC817589

Carrollite On Dolomite

Classic Locality

Description Tabs

Description
Locality: 
Katanga Copper Crescent, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 2 cm
Description

Carollite is a very desirable species and comes in good quality only from one locality! Usually matrix pieces are almost totally covered by matrix and the crystal shows only two or three faces. This piece has it all!The crystal is well perched on top of display on well formed matrix of dolomite crystals!There are many faces visible and the crystals of dolomite do not hide them!The most important, the crystal is of highest quality, with impressive luster, clean razor sharp faces with classic striations, textbook form and symmetric edges on the display face!There are no cracks on the crystal and only on the back there is some contacting, where the dolomite is missing, revealing the crystal!Even some chalcopyrite is present! Those are really hard to find, especially on matrix,but this quality is really really difficult and this piece is just unique!

Mineral Data
What's on the rock

Carrollite

Formula: 
Cu(Co,Ni)2S4
Strunz: 
2.DA.05
Crystal System: 
Isometric
Hardness: 
4.5 - 5.5
Type Locality: 
Patapsco mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Sykesville, Carroll Co., Maryland, USA

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Current price

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220
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Start 25 Apr 18:00
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