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Kolbeckite

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RSG1171425

Description Tabs

Description
Locality: 
Schlarbaum Quarry, Klausen, Südoststeiermark, Styria, Austria
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2.8 × 2.5 cm
Description

At the center of the specimen lies a white crystalline aggregate of kolbeckite, forming a finely striated rosette that stands out clearly against the richly colored matrix.

The crystal displays a very fine lamellar structure, composed of numerous tabular blades arranged radially. This arrangement gives the aggregate a circular flower-like appearance, with distinctly serrated edges formed by the terminations of the individual blades.

The kolbeckite, pure white to slightly translucent, contrasts strongly with the orange-brown to ochre-yellow matrix, made of secondary mineral coatings with botryoidal textures. Dark inclusions or deposits are also visible near the center of the crystal, likely related to other mineral phases present in the cavity.

In a box 3.5x4cm, labelled

FoV : 2.8mm

Ex J. Valverde

Mineral Data
What's on the rock

Kolbeckite

Formula: 
ScPO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.0 - 5.0
Type Locality: 
Sadisdorf, Schmiedeberg, Erzgebirge, Saxony, Germany

Current price

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$10
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Start 11 Mar 18:00
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Shipping Information

Postage Area Price
FRANCE
6
EUROPE
8
MONDE / WORLD
10
USA - Packages
40

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