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Svanbergite

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PDM805066

Svanbergite

Type Locality

Description Tabs

Description
Locality: 
Hålsjöberg, Torsby, Värmland County, Sweden
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.2 × 0.2 cm
Description

This type locality specimen of svanbergite (a rare Sr-Al phosphate) is not just a granular mass or a patch on a rock but a well-defined, terminated floater crystal that reach 4 mm in size, partially covered by white plates of pyrophyllite.

Ex Georges Vanacker* specimen. *Vanackerite from Tsumeb is named after him.

Mineral Data
What's on the rock

Svanbergite

Formula: 
SrAl3(PO4)(SO4)(OH)6
Strunz: 
8.BL.05
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
white
Type Locality: 
Hålsjöberg (Horrsjöberg), Torsby, Värmland, Sweden

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