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Chibaite

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Formula:
SiO2 · n(CH4, C2H6, C3H8, i-C4H10) (n = 3/17 (max))
System:
Isometric
Natural analogue of synthetic clathrate MTN.

Classification of Chibaite

Approved 2009
mindat.org URL:
http://www.mindat.org/min-39335.html
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First Recorded Occurrence of Chibaite

Crystallography of Chibaite

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Fd3
Cell Parameters:
a = 19.3742(4) Å
Unit Cell Volume:
V 7,272.29 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
11.210 (24)
6.858 (38)
5.847 (83)
4.847 (24)
3.956 (25)
3.730 (91)
3.426 (40)
3.276 (100)

Chemical Properties of Chibaite

Formula:
SiO2 · n(CH4, C2H6, C3H8, i-C4H10) (n = 3/17 (max))
Essential elements:
All elements listed in formula:

Other Names for Chibaite

Name in Other Languages:
Japanese:千葉石

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.

References for Chibaite

Reference List:
IMA website - approvals March 2009

Momma, K., Nishikubo, K., Takada, M., Takahashi, N., Honma, C., Nagase, T., Kudoh, Y. and Ikeda, T. (2008) A clathrate mineral from Arakawa, Chiba Prefecture, Japan.

Momma, K., et al (2011) New silica clathrate minerals that are isostructural with natural gas hydrates. Nature Communications 2, Article number 196.

Internet Links for Chibaite

Localities for Chibaite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Japan
 
  • Honshu Island
    • Kanto region
      • Chiba prefecture
        • Minamiboso city
IMA website - approvals March 2009
Mineral and/or Locality  
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