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Harmotome & Stibnite

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KRK796594

Harmotome & Stibnite

Klaus Krause Collection
Classic Locality

Description Tabs

Description
Locality: 
St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.1 × 5.8 × 3.1 cm
Weight: 
19.00gr
Description

A rich, old-time and classic specimen of glassy and lustrous, grayish-tan harmotome crystals from St. Andreasberg.
Harmotome crystals showing the cross-shape after the " Kreuzstein "was named in 18th century.

An excellent piece from a famous locality.

Boxed with Label
Mineral Data
What's on the rock

Harmotome

Formula: 
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

My Terms and Conditions KrauklMinerals Mineralnet Klaus Krause [email protected][p] 1.All transactions must be in Euros - please. You can either send a personal cheque (if you live in the United States, UK or Europe), a money order or you may send cash by registered mail. You may also use PayPal. [p]The mailing address for KrauklMinerals is: Mineralien im Internet Klaus Krause Kolbstr.26 45889 Gelsenkirchen Germany 2.For all customers: Once we receive your payment we'll package up the specimen(s) and send them within 2days. 3.Remember if there is anything you do not understand, want to ask or would like slightly different – please ask. Thank you!