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ADR1086113

Willemite Mimetite & Cerussite On Goethite

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Description

Locality:

Preguiça Mine, Sobral da Adiça, Moura, Beja District, Portugal

Class:

Crystals on Matrix

Size Range:

Miniature (4.5-7 cm)

Size:

6.3 × 4.8 × 4.7 cm

Weight:

102.00gr

Description

Magnificent aggregate of prismatic crystals, with an acicular section, usually hexagonal, of willemite from the Portuguese mine "Preguiça", a silicate with a trigonal crystalline system, vitreous luster, white, transparent or translucent, which shares a matrix with small yellow mimetite crystals groups scattered throughout the piece, as well as beautiful nodular crystallizations of reddish goethite and cerussite crystallizations of good size and morphology. A beautiful piece.

Mineral Data

What's on the rock

Willemite

Formula:

Zn₂SiO₄

Strunz:

9.AA.05

Hardness:

5.5

Streak:

White

Type Locality:

Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium

Mimetite

Formula:

Pb₅(AsO₄)₃Cl

Strunz:

8.BN.05

Crystal System:

Hexagonal

Hardness:

3.5 - 4.0

Streak:

White

Type Locality:

Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

Cerussite

Formula:

PbCO₃

Strunz:

5.AB.15

Crystal System:

Orthorhombic - Dipyramidal

Hardness:

3.0 - 3.5

Streak:

White

Type Locality:

Vicenza Province, Veneto, Italy

Goethite

Formula:

α-Fe³⁺O(OH)

Strunz:

4.00.

Crystal System:

Orthorhombic

Hardness:

5.0 - 5.5

Type Locality:

Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

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Starting price

€12

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Start	17 Dec 18:00
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Shipping Information

Postage Area	Price
Spain	€7
Europe	€12
Worldwide	€16

Seller Information

Adrael Fine Minerals

Payment options: offline, paypal_wpp, paypal_wps

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- Colour may vary due to the camera sensor.

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