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Jerrygibbsite

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Jerrygibbsite

Type Locality

Description Tabs

Description
Locality: 
Franklin, Sussex County, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.4 × 0.3 cm
Description

Pink crystal aggregates of the extremely rare mineral jerrygibbsite from the type and only one of thre known localities known worldwide. Associated minerals are orange zincite and black franklinite. 

Jerrygibbsite is a manganese silicate.

Mineral Data
What's on the rock

Jerrygibbsite

Formula: 
Mn2+9(SiO4)4(OH)2
Strunz: 
9.AF.70
Crystal System: 
Orthorhombic
Hardness: 
5.5
Streak: 
Pale pink
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

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