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Apophyllite

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LGM515559

Apophyllite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 3.5 × 2 cm
Weight: 
26.00gr
Description

White apophyllite in sharp, high lustrous crystals on matrix.

A classic from St. Andreasberg, comes with nice old label.

Mineral Data
What's on the rock

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions! Maintaining high standards in customer service is extremely important to me. If shipping takes longer than expected, please contact me. It is possible to file an investigation request, and during nearly ten years of e-rocks NO parcel was finally lost.

If for any reason you are not happy with any aspect of your transaction, please let me know as soon as possible, ideally within 1 week of receiving your specimen.

I will happily do all in my power to resolve the situation to your satisfaction.

+++IMPORTANT+++
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Within EU countries, bank transfer is also possible but not mandatory. I will offer free shipping or a discount in some cases. Please ask after receiving your invoice.