Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Schorl & Hyalite

Views:
Watches:
HAN825136

Schorl & Hyalite

Fluorescent

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 6 × 4.8 cm
Weight: 
143.00gr
Description

Large terminated Schorl crystal on matrix with fluorescent Hyalite. 

Many specimens from the Erongo Complex are coated with opal var. hyalite as the last mineral in the paragenesis

Some specimens of feldspar have a  Reddish/pink fluorescence in SW UV

Pictures taken in SW - UV light and daylight

Mineral Data
What's on the rock

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0

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