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Dumortierite & Quartz

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HAN677131

Dumortierite & Quartz

Description Tabs

Description
Locality: 
Vaca Morta Quarry, Serra da Vereda, Boquira, Bahia, Brazil
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.38 × 0.83 × 0.68 cm
Description

Rare acicular dumortierite crytals included in rock crystal quartz

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...

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the return shipping