Manganese-bearing Calcite specimens
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Manganoan Calcite
Huanggang Mine, Keshiketeng Co., Chifeng Prefecture, Inner Mongolia A.R., China
$280
28mm x 21mm x 16mm
From: Bob Griffis Minerals
CALCITE var. MANGANESE-BEARING CALCITE
Pachapaqui mining district, Bolognesi Province, Ancash, Peru
$145
50mm x 38mm x 29mm
From: Quebul Fine Minerals
Manganoan Calcite - twinned (fluorescent)
Huanggang Fe-Sn deposit, Hexigten Banner, Chifeng City, Inner Mongolia, China
$2750
120mm x 80mm x 40mm
From: The Arkenstone
Manganoan Calcite
Wessels Mine, Hotazel, Kalahari, South Africa
$4000
160mm x 80mm x 60mm
From: The Arkenstone
Manganoan Calcite
Piz Beverin, Mathon, Schams, Hinterrhein Valley, Graubunden, Switzerland
$2450
90mm x 60mm x 50mm
From: The Arkenstone
Fluorite with Dolomite and Manganocalcite
Chashan Mine, Linwu Co., Chenzhou Pref., Hunan Province, China
$280
80mm x 70mm
From: Well-Arranged Molecules
Pyrargyrite on Manganoan Calcite
Pachapaqui District, Bolognesi Province, Ancash Department, Peru
$400
70mm x 49mm x 42mm
From: Well-Arranged Molecules
Smoky Quartz, Manganocalcite, Pyrite and Calcite
Cavnic, Romania
$220
105mm x 70mm x 60mm
From: Marin Minerals
Manganoan calcite
2nd Sovetskii mine, Dalnegorsk, Primorskiy Kray, Russia
$60
39mm x 35mm x 35mm
From: Spirifer Minerals
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