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Grandidierite

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Grandidierite

Type Locality

Description Tabs

Description
Locality: 
Cap Andrahomana, Andranobory, Taolañaro, Anosy, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 3 cm
Largest Crystal: 
1.00cm
Weight: 
63.00gr
Description

Crystallized example of this species occurs as handsome green-blue, blocky, nearly translucent crystals; in this piece to 1cm in length in a feldspar matrix.Type locality from my personal collection.

Mineral Data
What's on the rock

Grandidierite

Formula: 
(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Strunz: 
9.AJ.05
Hardness: 
7.5
Type Locality: 
Cap Andrahomana, Ranopiso Commune, Taolañaro District (Fort Dauphin), Anosy Region (Fort Dauphin Region), Tuléar Province (Toliara), Madagascar

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 3 weeksfrom its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.