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Zussmanite & Riebeckite

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SHS207193

Zussmanite & Riebeckite

Type Locality

Description Tabs

Description
Locality: 
Laytonville Quarry, Laytonville, Mendocino County, California, United States of America
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.4 × 2.8 cm
Description

 Zussmanite and riebeckite in matrix

Mineral Data
What's on the rock

Zussmanite

Formula: 
K(Fe,Mg,Mn)13(Si,Al)18O42(OH)14
Strunz: 
9.EG.35
Hardness: 
0.0
Type Locality: 
Laytonville Quarry ("Longvale"; "Longvale Quarry"), Laytonville, Coastal Range, Mendocino Co., California, USA...

Riebeckite

Formula: 
◻[Na2][Fe2+3Fe3+2]Si8O22(
Strunz: 
9.DE.25
Hardness: 
5.0 - 5.5
Type Locality: 
Socotra Island, Adan Governorate, Yemen