AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Africa > Sphalerite on Siderite pseudomorphs after Calcite

Sphalerite on Siderite pseudomorphs after Calcite from Broken Hill Mine, Aggeneys, Namakwa District, Northern Cape Province, South Africa

DESCRIPTION:	No. 73901
Mineral:	Sphalerite on Siderite pseudomorphs after Calcite
Locality:	Broken Hill Mine, Aggeneys, Namakwa District, Northern Cape Province, South Africa
Description:	Lustrous transparent dark red-brown sphalerite microcrystals to 0.1 mm on tan-brown siderite epimorphs after calcite crystals to 35 mm. The calcite formed first, was coated with siderite, the calcite dissolved, then sphalerite coated the siderite.
Overall Size:	7x6.5x3 cm
Crystals:	micro to 35 mm pseudos
Archived:	For reference only

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