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Butianite

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Formula:
Ni6SnS2
Specific Gravity:
7.62 (Calculated)
Crystal System:
Tetragonal
Name:
Named after the Chinese words “Bu Tian”, meaning patching the sky. It is derived from the story of “Nu Wa Bu Tian” in ancient Chinese mythology. The goddess Nu Wa patched the fractured wall of Heaven to save the early World after Pan Gu’s creation. See also nuwaite.
The Sn analogue of nuwaite. Compare the chemically similar 'UM1981-20-S:NiSbSnTe'. Beside the latter, there is currently no other known natural Ni-Sn sulphide.


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Classification of ButianiteHide

Approved
Approval Year:
2016
First Published:
2018
Approval History:
IMA 2016-028

Physical Properties of ButianiteHide

Transparency:
Opaque
Density:
7.62 g/cm3 (Calculated)

Chemical Properties of ButianiteHide

Formula:
Ni6SnS2

Crystallography of ButianiteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I4/mmm
Setting:
I4/mmm
Cell Parameters:
a = 3.650 Å, c = 18.141 Å
Ratio:
a:c = 1 : 4.97
Unit Cell V:
241.7 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.535(100)
3.023(12)
1.963(14)
1.825(38)
1.703(10)
1.693(30)
1.290(12)
1.241(11)

Type Occurrence of ButianiteHide

General Appearance of Type Material:
Grains, 0.5 to 1.4 μm in width and 1-8 μm long.
Place of Conservation of Type Material:
Mineralogical collections of the Smithsonian Institution’s National Museum of Natural History, Washington DC, USA (registration number USNM 7616)
Geological Setting of Type Material:
Very late-stage, vapor-deposited, alteration products in the Allende CV3 carbonaceous chondrite.
Reference:
Ma, C. and Beckett, J.R. (2018) Nuwaite (Ni6GeS2) and butianite (Ni6SnS2), two new minerals from the Allende meteorite: Alteration products in the early solar system. American Mineralogist: 103: 1918–1924.

Synonyms of ButianiteHide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ButianiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ma, C. (2016) Butianite, IMA 2016-028. CNMNC Newsletter No. 32, August 2016, page 920; Mineralogical Magazine: 80: 915–922
Ma, C. and Beckett, J.R. (2018) Nuwaite (Ni6GeS2) and butianite (Ni6SnS2), two new minerals from the Allende meteorite: Alteration products in the early solar system. American Mineralogist: 103: 1918–1924.

Internet Links for ButianiteHide

Localities for ButianiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Mexico (TL)
 
  • Chihuahua
    • Pueblito de Allende
Ma, C. (2016): Butianite, IMA 2016-028. CNMNC Newsletter No. 32, August 2016, page 920; Mineralogical Magazine: 80: 915–922
Mineral and/or Locality  
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