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Esperite With Willemite

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HEF993771

Esperite With Willemite

Fluorescent

Description Tabs

Description
Locality: 
Parker Shaft, Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.2 × 1.6 cm
Description

Graywhite esperite from TYP with willemite on matrix, esperite has an yellow responce under UV SW light, with is not good seen on the pictures.

Mineral Data
What's on the rock

Esperite

Formula: 
PbCa2Zn3(SiO4)3
Strunz: 
9.AB.15
Hardness: 
5.0
Streak: 
White.
Type Locality: 
Parker Mine (Parker shaft), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

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

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