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Günterblassite

€45.00
Tax included
Microscopic tabular, colourless crystals of günterblassite
Rother Kopf, Eifel Volcanic Fields, Germany
Quantity
Available

Microscopic tabular, colourless crystals of günterblassite associated with slender, colourless needles of fluorapatite in a fine-grained, drusy matrix. From the type locality

MM_0195
1 Item

Data sheet

Locality
Rother Kopf, Eifel Volcanic Fields, Germany. Type locality
Size category
Small miniature
Size (cm)
3.6 x 1.7 x 1.8
Weight
15 g
Formula
(K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4] · 7H2O
Properties
Vitreous; brittle; colourless; transparent; thin, tabular habit