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Elbaite Tourmaline

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PDM676983

Elbaite Tourmaline

Floater

Description Tabs

Description
Locality: 
Mwami, Karoi, Mashonaland West, Zimbabwe
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 1.4 × 1 cm
Description

Dark green elbaite crystal with good striations and lustre, well terminated and rich in faces. It is a floater, with the detached base recrystalized but not broken. A good size aesthetic uncommon Zimbabwean specimen from the collection of Joseph Lhoest, a Belgian doctor who worked in D.R. of Congo for many years and it is well known for his articles about Congo in the Mineralogical Record.

Mineral Data
What's on the rock

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...

Tourmaline

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

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