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Stibnite With Plagionite & Hydroniumjarosite

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RHT801652

Stibnite With Plagionite & Hydroniumjarosite

Classic Locality

Description Tabs

Description
Locality: 
Caspari Mine, Uentrop, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.1 × 6.9 × 3.8 cm
Weight: 
335.00gr
Description

Glossy gray stibnite, partly with iridescent colors, combined with little glossy black plagionite, a few pale brown hydroniumarosite crystals and crusts (no detail pictures; visual ID through microscope - could also be ammonioarosite) and colorless etched crystals (almost surely gypsum).

Mineral Data
What's on the rock

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey

Plagionite

Formula: 
Pb5Sb8S17
Strunz: 
2.HC.10b
Hardness: 
2.5
Type Locality: 
Graf Jost-Christian Mine, Wolfsberg, Stolberg, Harz, Saxony-Anhalt, Germany

Hydroniumjarosite

Formula: 
(H3O)Fe3+3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
4.0 - 4.5
Type Locality: 
Staszic Mine, Rudki, Nowa Słupia District, Świętokrzyskie Mts (Holy Cross Mts), Świętokrzyskie, Poland
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