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Siderite after Calcite with Pyrite
Siderite after Calcite with Pyrite Siderite after Calcite with Pyrite
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Siderite after Calcite with Pyrite (Ref: TR89AF6)

Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare  Romania
140mm x 107mm x 49mm
minID: 1FA-62G
Druse of very well defined rhombohedral Siderite crystals which are cast pseudomorphs after Calcite. During the process of the substitution, wall-like external shells were left behind. The siderite casts are on matrix, with small Pyrite crystals.
The sample is from the Vallecillo collection, Madrid.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare  Romania

Specimen size: 14 × 10.7 × 4.9 cm = 5.51” × 4.21” × 1.93”

Main crystal size: 2.9 × 2.4 cm = 1.14” × 0.94”
From: Fabre Minerals
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See Also

Pyrite “horseshoe” with Siderite on Sphalerite
Eagle Mine, Gilman, Eagle County, Colorado
$445
81mm x 73mm x 42mm
From: Mineral Classics
Calcite, Pyrite, Fluorite.
El Hammam Mine, Meknès, Morocco
$542 *
95mm x 75mm x 45mm
From: A Bijoux
Calcite, Pyrite, Fluorite.
El Hammam Mine, Meknès, Morocco
$542 *
100mm x 80mm x 60mm
From: A Bijoux
Calcite, Pyrite, Fluorite.
El Hammam Mine, Meknès, Morocco
$406 *
90mm x 80mm x 50mm
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El Hammam Mine, Meknès, Morocco
$406 *
110mm x 65mm x 50mm
From: A Bijoux
Pyrite with Quartz and Siderite
Madem-Lakko Mine, Stratoni operations, Chalkidiki Prefecture, Macedonia Department, Greece
$370
105mm x 55mm x 32mm
From: Bob Griffis Minerals
Quartz with Siderite and Pyrite
Panasqueira Mines, Castelo Branco District, Panasqueira, Covilha, Portugal
$550
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From: Bob Griffis Minerals
Sphalerite & Siderite & Calcite
Pfaffenberg Mine | Neudorf | Harz | Saxony-Anhalt | Germany
$374 *
69mm x 56mm x 46mm
From: Wendel Minerals
Calcite, Pyrite, Quartz.
El Hammam Mine, Meknès, Morocco
$373 *
110mm x 60mm x 50mm
From: A Bijoux
Ludlamite with Siderite on Pyrite
Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia
$334
32mm x 19mm x 17mm
From: Mineral Classics
Calcite, Pyrite, Fluorite.
El Hammam Mine, Meknès, Morocco
$339 *
80mm x 65mm x 45mm
From: A Bijoux
Calcite on Siderite
Romania
$450
65mm x 40mm x 30mm
From: Marin Minerals
Calcite, Pyrite, Fluorite.
El Hammam Mine, Meknès, Morocco
$677 *
135mm x 95mm x 65mm
From: A Bijoux
Siderite, Fluorite, Pyrite on Ferberite
Panasquiera, Portugal
$500
75mm x 75mm x 40mm
From: Marin Minerals
Calcite, Fluorite & Pyrite
Shangrao, Jiangxi, China
$500
92mm x 117mm x 79mm
From: Greenstone Fine Mineralia
* price is an approximate conversion and may not be accurate.

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