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Hemimorphite & Calamine

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MNT692108

Hemimorphite & Calamine

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

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.2 × 8.5 × 4.8 cm
Description

Classic greek oldie from lavrion: a matrix of carbonatic zink ore (calamin) is covered by whiteish sparkling crystals of hemimorphite (over some adamite?). The crystals exhibit medium LW UV fluorescence with whiteish colour underlain by a greenish fluorescent mineral.

Please note: postage costs and procedures have changed since Jan. 1st 2019 here in GER. The given tariffs are those on the "safe" side (tracked DHL for international shipping - limit 2 kg total). I am working on a solution that may revert to the former (cheaper) tariffs - as long as i don´t have a confirmation you are welcome to stockpile items to optimize shipping costs. I will inform you about any changes ASAP.

Mineral Data
What's on the rock

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Băiţa Mining District (Baita Bihor; Rézbánya), Nucet, Bihor Co., Romania

Calamine

Synonym Of: 

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0

Hydrozincite

Formula: 
Zn5(CO3)2(OH)6
Strunz: 
5.BA.15
Hardness: 
2.0 - 2.5

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5

Seller Information

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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