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Strüverite

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SYA656921

Strüverite

Classic Locality

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Description
Locality: 
Ampangabé, Miandrarivo, Faratsiho, Vakinankaratra, Madagascar
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.5 × 3 cm
Description

A large grey-black strüverite - a variety of rutile - crystal .

A historic specimen with attached antique paper letter marks for crystal studies.

Mineral Data
What's on the rock

Strüverite

Variety Of: 

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Hardness: 
6.0 - 6.5
Formula: 
(Ti,Ta,Fe)O2
Hardness: 
6.0 - 6.5

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