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Willemite Psm Cerussite

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PDM803690

Willemite Psm Cerussite

Fluorescent

Description Tabs

Description
Locality: 
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.4 × 3.1 cm
Description

Lustrous polycrystalline hollow aggregates of willemite crystals beautifully replacing star-like twinned groups of cerussite. A beautiful replacement from Portugal, not easy to find even in pseudomorphs collections. Willemite crystals displays a very intense fluorescence under Short UV light.

Collected in 04/2017 by Dorsan Vanpoel.

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

Cerussite

Formula: 
PbCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Vicenza Province, Veneto, Italy

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