Unnamed (Antimony Sulphide)
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About Unnamed (Antimony Sulphide)
Formula:
(Sb,S)
Colour:
copper-red, brown
Lustre:
Silky
Non-opaque mineral containing antimony and sulfur.
"A copper-red, fibrous, soft, nonopaque mineral containing antimony and sulfur, which turns brown on exposure to air, has been found in a 2-foot borax bed in the middle ore. The silky fibers are arranged in parallel fashion inside each crystal of borax, and, because orientation of the borax crystals making up the massive bed is random, they produce a series of changing fiber patterns. The borax is colored yellowish through copper-red to brown by the included fibers. No match for the X-ray powder pattern could be found in a search of published data." (Morgan and Erd, 1969).
"A copper-red, fibrous, soft, nonopaque mineral containing antimony and sulfur, which turns brown on exposure to air, has been found in a 2-foot borax bed in the middle ore. The silky fibers are arranged in parallel fashion inside each crystal of borax, and, because orientation of the borax crystals making up the massive bed is random, they produce a series of changing fiber patterns. The borax is colored yellowish through copper-red to brown by the included fibers. No match for the X-ray powder pattern could be found in a search of published data." (Morgan and Erd, 1969).
Unique Identifiers
Mindat ID:
53201
Long-form identifier:
mindat:1:1:53201:9
IMA Classification of Unnamed (Antimony Sulphide)
First published:
1969
Approval history:
not in either the IMA unnamed,valid, or unnamed, invalid lists
Physical Properties of Unnamed (Antimony Sulphide)
Silky
Colour:
Copper-red, brown
Chemistry of Unnamed (Antimony Sulphide)
Mindat Formula:
(Sb,S)
Element Weights:
| Element | % weight |
|---|---|
| Sb | 100.000 % |
Calculated from ideal end-member formula.
Elements listed:
Crystallography of Unnamed (Antimony Sulphide)
Morphology:
bladed to fibrous
Synonyms of Unnamed (Antimony Sulphide)
Common Associates
Associations Based on Photo Data:
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Unnamed (Antimony Sulphide)
mindat.org URL:
https://www.mindat.org/min-53201.html
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References for Unnamed (Antimony Sulphide)
Localities for Unnamed (Antimony Sulphide)
Showing 2 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
USA | |
| U.S. Borax |
| Morgan et al. (1969) |
Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA