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Lazulite With Quartz & Siderite

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CLB140658

Lazulite With Quartz & Siderite

Classic Locality

Description Tabs

Description
Locality: 
Rapid Creek, Yukon, Canada
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3.2 cm
Largest Crystal: 
0.80cm
Description

Very nice dark blue, lustrous lazulite crystals, one very good twin. Some overgrown with quartz crystals (a little trimming could do wonders). A few brown siderite crystals. Not perfect, with some broken crystals, but a very good, collectable sample.

Mineral Data
What's on the rock

Lazulite

Formula: 
(Mg,Fe2+)Al2(PO4)2(OH)2
Strunz: 
8.BB.40
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Siderite

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

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