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Grantsite & Liebenbergite

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SKY725421

Grantsite & Liebenbergite

Classic Locality

Description Tabs

Description
Locality: 
Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.4 × 1.2 cm
Description

Outstanding brown rounded crystal aggregtes of the rare mineral grantsite associated to green liebenbergite crystals from Lavrion.

Liebenbergite has only been found in 4 localities worldwide.

Mineral Data
What's on the rock

Grantsite

Formula: 
(Na,Ca)V6O16·4H2O
Strunz: 
4.HG.55
Hardness: 
1.0 - 2.0
Type Locality: 
F33 Mine, Grants District, Cibola Co., New Mexico, USA

Liebenbergite

Formula: 
(Ni,Mg)2SiO4
Strunz: 
9.AC.05
Hardness: 
6.0
Type Locality: 
Scotia Talc mine, Bon Accord, Barberton, Ehlanzeni District, Mpumalanga Province, South Africa

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