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Seamanite

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BCK1037905

Seamanite

Type Locality

Description Tabs

Description
Locality: 
Chicagon Mine, Iron County, Michigan, United States of America
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0 × 0 × 0 cm
Description

You are bidding on a group of 12 crystals of very rare seamanite from the type locality, the Chicagoan Mine, Michigan. Several of the crystals are terminated and the longest crystal is 3mm long. 

Mineral Data
What's on the rock

Seamanite

Formula: 
Mn2+3[B(OH)4](PO4)(OH)2
Strunz: 
6.AC.65
Crystal System: 
Orthorhombic Small acicular crystals.
Hardness: 
4.0
Streak: 
White
Type Locality: 
Chicagon mine, Menominee iron range, Iron Co., Michigan, USA

Seller Information

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