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Hyalite

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PDM1025773

Hyalite

Fluorescent

Description Tabs

Description
Locality: 
Rugendabari, Muhanga, Southern Province, Rwanda
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.8 × 8.5 × 4.8 cm
Weight: 
246.00gr
Description

Good size piece richly covered by white botryoidal hyalite bubbles, in different layers, that displays green fluorescence under short UV illumination. It is from the pegmatites of the Rugendabari an extremely rare locality in collections. The sample was collected in the middle 1960’s by Professor Albert Delvaux (1919-1998). Later in the stock of Jacques Deblandre, it comes with his handwritten label.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

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