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Clinohumite & Spinel

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PDM1042665

Clinohumite & Spinel

Fluorescent

Description Tabs

Description
Locality: 
Luc Yen Mine, Lục Yên District, Yên Bái Province, Vietnam
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.2 × 2.9 cm
Weight: 
32.00gr
Description

Orange crystals of clinohumite imbedded in a white marble matrix, associated to red  and grey spinel. Under short UV illumination the clinohumite crystals show intense caramel orange fluorescence, while under long UV, spinel shows intense reddish fluorescence.

Acquired in 2007. Ex Eugeni Bareche specimen.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Clinohumite

Formula: 
Mg9(SiO4)4F2
Strunz: 
9.AF.55
Hardness: 
6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

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