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Znucalite & Woodruffite

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JYJ826133

Znucalite & Woodruffite

XRD & EDS confirmed no 34-19

Description Tabs

Description
Locality: 
Uranus Mine, Kleinrückerswalde, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.2 × 1.4 cm
Description

Black PXRD confirmed woodruffite (black patches, only visible on the overview images) associated with pale yellow znucalite from the Uranus mine, Germany. Analysis in the analytical section. 

Analysis no 34-19. 

Mineral Data
What's on the rock

Znucalite

Formula: 
Zn12Ca(UO2)(CO3)3(OH)22·4H2O
Strunz: 
5.ED.45
Hardness: 
0.0
Type Locality: 
Lill Mine, Černojamské deposit (Black pits deposit), Březové Hory ore region (Birkenberg), Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Woodruffite

Formula: 
Zn(Mn4+,Mn3+)5O10·3½H2O
Strunz: 
4.FL.25
Hardness: 
4.5
Streak: 
Brown
Type Locality: 
Passaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Analysis
Analysis Report - only: Znucalite & Woodruffite
Analysis Report - only: Znucalite & Woodruffite
Analysis Report - only: Znucalite & Woodruffite