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Fluorapatite Cast Scholzite Psm On Chalcedony

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KMF599739

Fluorapatite Cast Scholzite Psm On Chalcedony

Fluorescent

Description Tabs

Description
Locality: 
Skorpion Mine, Rosh Pinah, Oranjemund, Karas Region, Namibia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 2.3 cm
Description

 Another aesthetic once of specimen the likes of which is not comparable to any others that I have seen yet shares some similarities with past disocveries - a vivid yellow acicular radiating fluorapatite cast structure consisting of untold number of hollow tubes that must have contained scholzite needles- only scholzite exhibits this morphology at the Skorpion mine.

The core of these structures is solid fluorapatite which seems typical, numerous pseudomorphs have come out of the mine without the cast compliment. In this case the extended scholzite needles dissolved away leaving only the cores and casts behind. The specimen is a floater structure with a botryoidal grey chalcedony matrix hosting some water clear hemimorphite crystals clusters.

The condition is outstanding. 

 

this specimen reacts to shortwave UV glowing bright green. 

 

 

 

Mineral Data
What's on the rock

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Scholzite

Formula: 
CaZn2(PO4)2·2H2O
Strunz: 
8.CA.45
Crystal System: 
Orthorhombic Prismatic or platy crystals
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

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

Seller Information

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Seller's terms and conditions

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