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Piemontite & Braunite

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HAN812812

Piemontite & Braunite

Description Tabs

Description
Locality: 
Prabornaz Mine, Saint-Marcel, Aosta Valley, Italy
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.6 × 9.2 × 0.7 cm
Weight: 
62.00gr
Description

Cut and polished slice of alternating layers of purple Piemontite and brown Bruanite

Mineral Data
What's on the rock

Piemontite

Formula: 
{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05
Hardness: 
6.0 - 6.5
Streak: 
Reddish
Type Locality: 
Prabornaz Mine (Praborna Mine), Saint-Marcel, Aosta Valley, Italy

Braunite

Formula: 
Mn2+Mn3+6(SiO4)O8
Strunz: 
9.AG.05
Hardness: 
6.0 - 6.5
Streak: 
Black
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany

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 shipping and the e-Rocks listing  fees.

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