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Sterryite Quartz Pyrite

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SMM830583

Sterryite Quartz Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Pollone Mine, Valdicastello Carducci, Lucca Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1.5 cm
Description

Beautiful needles of metallic sterryite crystals are clearly visible within  transparent quartz crystals portion, sprinkled with brilliant little crystals of golden pyrite. Good specimen.

Sterryite is a rare mineral found only in a handful of locations in the world but those of this limited finding of the Pollone mine, have probably given the most representative samples for this species.

 

 

 

Boxed with Label
Mineral Data
What's on the rock

Sterryite

Formula: 
Ag2Pb10(Sb,As)12S29
Strunz: 
2.LB.30
Hardness: 
3.5
Colour: 
Black
Streak: 
Black
Type Locality: 
Taylor Pit, Huntingdon Township, Madoc area, Hastings Co., Ontario, Canada

Quartz

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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