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Cancrinite & Annite

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Cancrinite & Annite

ex Dr. F. Krantz, Bonn, GER
Classic Locality

Description Tabs

Description
Locality: 
Litchfield, Kennebec County, Maine, United States of America
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.3 × 4.5 × 3.5 cm
Description

Old timer from Massachusetts: bright yellow cancrinite is accompanied by blackish "Lepidomelane" - which is in fact annite - in albitic matrix.

Mineral Data
What's on the rock

Cancrinite

Formula: 
(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2·2H2O
Strunz: 
9.FB.05
Hardness: 
5.0 - 6.0
Streak: 
white
Type Locality: 
Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Annite

Formula: 
KFe2+3(AlSi3O10)(OH)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic
Hardness: 
3.0
Colour: 
Black
Type Locality: 
Rockport, Essex Co., Massachusetts, USA

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

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