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Thermessaite & Adranosite-(Fe)

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DLN138220

Thermessaite & Adranosite-(Fe)

Type Locality

Description Tabs

Description
Locality: 
La Fossa Crater, Vulcano Island, Messina Province, Sicily, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2 cm
Description

Globular white aggregates of thermassaite crystals associated to pale yellow acicular crystals of adranosite-(Fe) in radial disposition , in an aesthetic combination of two rare minerals from this already famous mineral locality called La Fossa Crater. Thermassaite is a new mineral (IMA 2007-030) found only in two localities worldwide. 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

Thermessaite

Formula: 
K2(AlF3)(SO4)
Strunz: 
3.CG.25
Hardness: 
0.0
Streak: 
white
Type Locality: 
La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Messina Province, Sicily, Italy

Adranosite-(Fe)

Formula: 
(NH4)4NaFe3+2(SO4)4Cl(OH)2
Hardness: 
0.0
Type Locality: 
La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Messina Province, Sicily, Italy
DLN Minerals

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