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- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- W. Fork Mine, Reynolds Co., Missouri, United States
- Formula
- ZnS
- Size
- 8.5 x 5 x 6 cm - Sm Cabinet
- Tagged
- Ore Minerals
Dark lustrous brown Sphalerite crystals to 3mm totally covering lumpy colloform growths of brassy Pyrite. Neat specimen!
The W. Fork Mine is located in the SE lead-district in Missouri and is also a Mississippi Valley Type deposit in the Viburnum Trend. According to a paper on the W. Fork Mine the presence of rapidly deposited, collorform ZnS and FeS is an indicator that the ore fluids which deposited the sulfides in the central zone were more saturated with respect to metal sulfides (email us for link to abstract if interested).
- Availability
- Available
- Price
- $75.00
- Locality
- Les Malines dist., Occitanie, France
- Formula
- ZnS
- Size
- 6.5 x 3 x 5 cm - Sm Cabinet
- Tagged
- sulfide
Material sold from this locality was previously though to be Wurtzite. It was not, it is Sphalerite. These crystals reach 2mm and are a splendid red to orange.
- Availability
- Available
- Price
- $50.00
- Locality
- Lime Crest quarry, Franklin Marble, Sussex County, New Jersey, United States
- Formula
- MgAl2O4
- Size
- 6 x 5.5 x 6 cm - Sm Cabinet
White Calcite matrix with accessory minerals of black Spinel (1-3mm), red Chodrodite (9mm) and Phlogopite mica.
- Availability
- Available
- Price
- $50.00
- Locality
- Mahenge, Morogoro Region, Tanzania
- Formula
- MgAl2O4
- Size
- 2 x 1.2 x 1.2 cm - Thumbnail
A nice stack of octahedral crystals. One of the crystals is a twin. It is not as red in-hand.
- Availability
- Available
- Price
- $60.00
- Locality
- Mahenge, Morogoro Region, Tanzania
- Formula
- MgAl2O4
- Size
- 1.7 x 2 x 1.3 cm - Thumbnail
Raspberry octahedral crystal.
- Availability
- Available
- Price
- $75.00
- Locality
- Harding mine, Taos Co., New Mexico, United States
- Formula
- LiAlSi2O6
- Size
- 9 x 5.5 x 4.5 cm - Sm Cabinet
- Tagged
- pegmatite mineral, lithium
Purple Lepidolite with Spodumene.