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Herderite & Tourmaline

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MGR914040

Herderite & Tourmaline

Rare Mineral

Description Tabs

Description
Locality: 
Blue Chihuahua Mine, Iron Spring Mountain, Cooper Canyon, Riverside County, California, United States of America
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.1 × 1 cm
Description

Fantastic combination of a single crystal of tourmaline combined with rare herderite. The herderite is even completely well crystalised and is perfectly placed on the tourmaline. Definately an esthetic combination.

Mineral Data
What's on the rock

Herderite

Formula: 
CaBePO4(F,OH)
Strunz: 
8.BA.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 5.5
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7