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Apatite With Siderite

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KSC640444

Apatite With Siderite

Classic Locality

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 2.5 × 2 cm
Description

This is a nice minaiture with a sharp and lustrous crystal of apatite on siderite!The apatite crystal is striated and a deep green in color. It's very gemmy and it's placed on a siderite crystal of deep yellow honey color!The crystal of siderite is cleaved and this is the only way to show the color!Muscovite and chalcopyrite are also present.There is no damage!

Mineral Data
What's on the rock

Apatite

Synonym Of: 

Chlorapatite

Formula: 
Ca5(PO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Hardness: 
5.0
Crystal System: 
Hexagonal
Hardness: 
5

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

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