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Laumontite Quartz Var Japan Law & Chlorite

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MNT788127

Laumontite Quartz Var Japan Law & Chlorite

ex Wolfgang Schneider (GER)
Classic Locality

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Description
Locality: 
Iragna, Lodrino, Riviera, Ticino, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 3 cm
Description

Interesting specimen from Iragna: the matrix hosts quartz crystals which are in part covered by chlorite, white crystals of laumontite. One of the quartz crystals exhibits Japan law twinning. Very interesting from a mineralogical point of view, ex Wolfgang Schneider collection.

 

Mineral Data
What's on the rock

Laumontite

Formula: 
CaAl2Si4O12·4H2O
Strunz: 
9.GB.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Huelgoat (Locmaria-Berrien), Finistère, Brittany, France

Quartz

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

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless

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Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger

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