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Dumortierite - Dehesa, San Diego Co., California, USA (#:MINS8101)

Cluster of violet Dumortierite xls in also in radiating formation up to 1,2 cm long set on matrix.

Formula :
Al₇[O₃/BO₃/(SiO₄)₃]
System: orthorhombic Hardness:8½ Rarity:not common
Strunz id:VIII/B.31-20 - SILICATES
Name origin: Named in honour of the French palaeontologist Eugène Dumortier (1801-1876) from Lyon.

Specimen weight:81 gr.

Crystal size:Up to 1,2 cm

Overall size: 60mm x 43 mm x 25 mm

Our Price:€ 20,00

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Dumortierite - Dehesa, San Diego Co., California, USA

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