Moving mountains for you
Switch currency

Error message

You are not currently authorised to view that page. Please make sure you are logged in and try again. If the problem continues please contact [email protected].

Dumortierite

Views:
Watches:
TBM897086

Dumortierite

Description Tabs

Description
Locality: 
Riampotsy, Itremo, Mangataboahangy, Ambatofinandrahana, Amoron'i Mania, Madagascar
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 3 cm
Weight: 
55.00gr
Description

Bundles of blue radiated acicular crystals up to 12 mm long incorporated in the matrix

Mineral Data
What's on the rock

Dumortierite

Formula: 
(Al,Fe3+)7(SiO4)3(BO3)O3
Strunz: 
9.AJ.10
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 8.0
Type Locality: 
Ducarre's Quarry, Beaunant, Chaponost, Rhône, Rhône-Alpes, France...