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Sphalerite & Marcasite

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BMM716702

Sphalerite & Marcasite

Description Tabs

Description
Locality: 
Washington County, Missouri, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.2 × 2.5 cm
Description

Spherical shaped cherry red sphalerite crystal groupings up to 1.2 cm long on Matrix which is covered with small quartz crystals and small sparkling golden semi-iridescent marcasite. Crystallized all around – the bottom was extracted from the rock. Was presented as a new find at the Tucson Show 2018.

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5