AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Namibia > Calcite with Duftite overgrowth

Calcite with Duftite overgrowth from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 90138
Mineral:	Calcite with Duftite overgrowth
Locality:	Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia (Type Locality for Duftite)
Description:	Lustrous translucent colorless-to-beige rhombohedral calcite crystals to 10 mm with overgrowth of pale-green duftite microcrystals. Under shortwave fluorescent illumination the calcite fluoresces orange. Ex. Paul Seel (1904-1982) collection; the mineral Seelite was named in his honor; originally acquired from Prosper Williams (1910-2001)
Overall Size:	9.5x6x5.5 cm
Crystals:	micro to 10 mm
Archived:	For reference only

The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property. ;