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Johnbaumite

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Watches:
SER914734

Johnbaumite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.5 × 2.5 cm
Description

greyish to white crystalline masses of this rare arsenate

Mineral Data
What's on the rock

Johnbaumite

Formula: 
Ca5(AsO4)3OH
Strunz: 
8.BN.05
Hardness: 
4.5
Streak: 
White
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA