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Sassolite & Metavoltine

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DLN132787

Sassolite & Metavoltine

Rare Mineral

Description Tabs

Description
Locality: 
La Fossa Crater, Vulcano Island, Messina Province, Sicily, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 4 cm
Description

Colorless platy crystals of sassolite, a mineral with the same composition as boric acid, and associated to yellow metavoltine microcrystals. Very difficult to photograph.
Very nice under the microscope !. Note.- Shipping costs are intended for Certified Mail. If you prefer the cheaper ordinary mail, please ask.

Mineral Data
What's on the rock

Sassolite

Formula: 
H3BO3
Strunz: 
6.AA.05
Crystal System: 
Triclinic
Hardness: 
1.0
Streak: 
White
Type Locality: 
Sasso Pisano, Castelnuovo Val di Cecina, Pisa Province, Tuscany, Italy

Metavoltine

Formula: 
Na6K2FeFe6(SO4)12O2·18H2O
Strunz: 
7.DF.35
Hardness: 
2.5
Type Locality: 
Zagh Mine (Tangeh Zagh mine; Madeni Zakh), Haji Abad town, Bandar Abbas (Bandar-e Abbas), Bandar-Abbas County, Hormozgan Province, Iran
DLN Minerals

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