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Pyrophyllite With Clinochlore

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CLB148891

Pyrophyllite With Clinochlore

Description Tabs

Description
Locality: 
Brosso Mine, Cálea, Léssolo, Torino Province, Piedmont, Italy
Size Range: 
Cabinet (10-18 cm)
Size: 
12.2 × 6 × 2.6 cm
Description

Massive greenish golden pyrophyllite specimen with radiarting crystal aggregates. The label lists also clinochlore, but both minerals are not listed at Mindat for this locality. Maybe it's a strange actinolite or hedenbergite? Is there an Italian collector who can give some advice?

Mineral Data
What's on the rock

Pyrophyllite

Formula: 
Al2(Si4O10)(OH)2
Strunz: 
9.EC.10
Hardness: 
1.0 - 2.0
Type Locality: 
Pyshminskoe deposit (Staro-Pyshminskoye), Berezovskoe Au Deposit (Berezovsk Mines), Berezovskii (Berezovskii Zavod), Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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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