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Opal-AN Var Hyalite

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HAN839397

Opal-AN Var Hyalite

Fluorescent

Description Tabs

Description
Locality: 
Zacatecas, Zacatecas Municipality, Zacatecas, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3.7 × 4.1 cm
Weight: 
61.00gr
Description

Transparent  Hyalite in Rhyolithic matrix. Fluoresces green in both UV SW and LW. Reacts to UV sunlight as well, turns a light yellowish green. A colourless variety of Opal. Hyalite is opal-AN, an amorphous silica-glass containing about 3-8% water.

Most Common Activator: (UO2)2+ (Uranyl ion) as impurities

Mineral Data
What's on the rock

Opal-AN

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

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the return shipping