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Aeschynite-(Y) Quartz & Clinochlore

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SER1137496

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Description
Locality: 
Puricelli Quarry, Cuasso al Monte, Varese Province, Lombardy, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2.4 × 1.1 cm
Description

several colourless trasparent quartz crystals on mint green clinochlore and a little orange crystal of aeschynite-Y on a smoky quartz crystal 

Mineral Data
What's on the rock

Aeschynite-(Y)

Formula: 
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Strunz: 
4.DF.05
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 6.0
Type Locality: 
Urstad Feldspar Mine, Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway

Quartz

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

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Brinton's Quarry, West Chester, Westtown Township, Chester Co., Pennsylvania, USA...

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Start 17 Feb 18:00
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