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Vonsenite & Quartz

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ZLT151995

Vonsenite & Quartz

Description Tabs

Description
Locality: 
La Fossa Crater, Vulcano Island, Messina Province, Sicily, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6.5 × 2 cm
Largest Crystal: 
0.80cm
Description

Part of an volcanic ejection block, with cavities showing long prismatic, black, lustrous vonsenite crystals with some micro quartz crystals. Collected about 1980.

Mineral Data
What's on the rock

Vonsenite

Formula: 
Fe2+2Fe3+(BO3)O2
Strunz: 
6.AB.30
Hardness: 
5.0
Type Locality: 
Old City Quarry (City Quarry), North Hill, Fairmont Park, Riverside, Riverside Co., California, USA

Quartz

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

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