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Chalcedony Psm Melanophlogite

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AMM1057261

Chalcedony Psm Melanophlogite

Pseudomorph

Description Tabs

Description
Locality: 
Trestia, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.6 × 2.6 cm
Largest Crystal: 
0.70cm
Description

Excellent specimen with sharp cubic crystals of chalcedony as pseudomorphosis after melanophlogite. According to the latest analyses, this is NOT a pseudomorphosis after fluorite. Traces of melanophlogite could be clearly detected analytically in the cubic crystals. Very interesting specimen.

Short information: This is the last auction before the summer break. Shipping will continue at all times.

Mineral Data
What's on the rock

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Melanophlogite

Formula: 
46SiO2·6(N2,CO2)·2(CH4,N2)
Strunz: 
4.DA.25
Crystal System: 
Tetragonal
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Giona Mine, Milena, Caltanissetta Province, Sicily, Italy

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.