Search Archived Mineral Specimens
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Tsumeb mine, Tsumeb, Namibia
- Formula
- (Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
- Size
- Micromount xxcm
- Tagged
- sulfide
Excellent rare crystals on 2-3mm piece from George Gebhard. Ex. Bruno Geier. It is not a true micromount but stuck on putty.
- Availability
- Sold
- Locality
- Mt. Karnasurt, Lovozero Massif, Kola Peninsula, Russia
- Formula
- (Ce,La)PO4H2o
- Size
- Miniature 4x3x3cm
- Tagged
- phosphate , REE mineral
Brown chalky replacements.
- Availability
- Sold
- Locality
- Gakara Project, Bujumbura Rural Prov., Burundi
- Formula
- LaPO4·H2O
- Size
- Thumbnail 1.3x1x1cm
- Tagged
- phosphate , REE mineral
White compact fibrous Rhabdophane.
- Availability
- Sold
- Locality
- Tetezantsio field, Antananarivo prov., Madagascar
- Formula
- KAl4Be5B11O28
- Size
- SmCabinet 5.5x4.5x3cm
- Tagged
- beryllium , pegmatite mineral
A large light green crystal of Rhodizite - Londonite to 1.2cm with dark red Rubellite Tourmaline embedded in Quartz matrix. Specifically these crystals are a alternate from Rhodozite to Londonite during growth. The entire assembladge is sandwiched between the wall rock. It is essentially a pegmatite vein.
This specimen is from David London, for whom the end member of the Londonite-Rhodozite series was named.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Ampasogona pegmatite, Tetezantsio field, Antananarivo prov., Madagascar
- Formula
- KAl4Be5B11O28
- Size
- SmCabinet 6.5x6x5cm
- Tagged
- beryllium , pegmatite
Two lime green translucent crystals to over 1cm. Excellent showy specimen of this relatively rare mineral.
- Availability
- Sold
- Locality
- Homer-Wauseca Consol. mines, Menominee iron range, Iron Co., Michigan, United States
- Formula
- MnCO3
- Size
- Miniature 5x4x3cm
Pink rhombs of lustrous Rhodochrosite to 3mm lining Hematite matrix.
