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Siderite & Alunite

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RMM62766

Siderite & Alunite

Type Locality

Description Tabs

Description
Locality: 
Rapid Creek, Yukon, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.2 × 2 cm
Largest Crystal: 
0.40cm
Description

Several undamaged kulanite crystals to 3.0 mm on grey-coated siderite crystals to 4.0 mm. Rapid Creek is the type locality for kulanite.

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Alunite

Formula: 
KAl3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Allumiere Quarries, Tolfa, Rome Province, Latium, Italy

Seller Information

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