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Quartz & Pyrite

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MGR867571

Quartz & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Spruce Ridge, King County, Washington, United States of America
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2.2 × 2 cm
Description

Perfect little single crystal of quartz which totally embedded a pyrite crystal in the center of the top termination. The crystal is in fine condition.

Mineral Data
What's on the rock

Quartz

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5