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Bertrandite & Siderite

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SHS176173

Bertrandite & Siderite

Description Tabs

Description
Locality: 
Palermo 1 Mine, Grafton County, New Hampshire, United States of America
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1.6 cm
Description

Bertrandite and siderite on matrix

Mineral Data
What's on the rock

Bertrandite

Formula: 
Be4(Si2O7)(OH)2
Strunz: 
9.BD.05
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 7.0
Type Locality: 
Petit-Port, Nantes, Loire-Atlantique, Pays de Loire, France

Siderite

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