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Imayoshiite |
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Imayoshiit ![]() Teilausschnitt aus der Stufe von Imayoshiite aus Ise Stadt nahe dem Zentrum, Präfektur Mie, Japan. Nishio-Hamane; Teils glänzend wie Seide, teils transparent Copyright: Daisuke NISHIO-HAMANE; Contribution: Stefan Location: Japan/Honshu/Kinki, Region/Mie, Präfektur/Ise, Stadt Mineral: Imayoshiite Image: 1386079900 Rating: 7 (votes: 1) License: Usage for Mineralienatlas project only |
Imayoshiit ![]() |
Teilausschnitt aus der Stufe von Imayoshiite aus Ise Stadt nahe dem Zentrum, Präfektur Mie, Japan. Nishio-Hamane; Teils glänzend wie Seide, teils transparent |
Copyright: | Daisuke NISHIO-HAMANE |
Contribution: Stefan 2013-12-03 |
Locality: Ise, Stadt / Mie, Präfektur / Kinki, Region / Honshu / Japan |
Collectors Summary
Color | farblos, weiß |
Streak color | weiß |
Lustre | Seidenglanz |
Hardness (Mohs) | 2- 3 |
Cleavages | ausgeprägt {100} |
Fracture | uneben |
Crystal System | hexagonal, P63 |
Morphology | fasrig |
Chemism
Chemical formula |
Ca3Al(CO3)[B(OH)4](OH)6・12H2O |
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Additional chem. information |
Ettringit-Gruppe |
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Chemical composition |
Aluminium, Calcium, Bor, Kohlenstoff, Sauerstoff, Wasserstoff |
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Strunz 9th edition incl. updates |
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7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate) |
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Lapis Classification |
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V: NITRATE, CARBONATE UND BORATE |
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Classification by Hölzel |
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7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES |
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IMA status |
anerkannt Okt. 2013 - CNMNC Newsletter No. 18, December 2013 |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Ettringite group |
Optical Properties
farblos, weiß |
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weiß |
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transparent, durchscheinend |
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Seidenglanz |
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RI value α / ω / n |
ω = 1.497(2) |
RI value γ / ε |
ε = 1.470(2) |
2V angle |
Uniaxial (-) |
Crystallography
Crystals 3D
Open larger view |
Physical Properties
2- 3 |
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ausgeprägt {100} |
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uneben |
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spröde |
(Co-)Type locality
(Co-)Type locality |
Japan/Honshu/Kinki, Region/Mie, Präfektur/Ise, Stadt/Suisho-dani |
Type material |
National Museum of Nature und Science, Tsukuba, Japan |
Collection number of type material |
NSM M- 43749 und NSM M-43750 |
Preface
References
http://www.issp.u-tokyo.ac.jp/labs/mdcl/lab/denken/wordpress/?page_id=336 Nishio-Hamane, D., Ohnishi, M., Momma, K., Shimobayashi, N., Miyawaki, R., Minakawa, T. und Inaba, S. (2013) Imayoshiite, IMA 2013-069. CNMNC Newsletter No. 18, December 2013, page 3251; Mineralogical Magazine, 77, 3249-3258. Nishio-Hamane, D., Ohnishi, M., Momma, K., Shimobayashi, N., Miyawaki, R., Minakawa, T., Inaba, S. - Imayoshiite, Ca3Al(CO3)[B(OH)4](OH)6·12H2O, a new mineral of the ettringite group from Ise City, Mie Prefecture, Japan. Mineralogical Magazine, 79 (2015), 413-423. Lapis Jg. 41, Nr. 9 Sept. 2016, S. 46 |
IMA group assignments
Other languages
German |
Imayoshiit |
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English |
Imayoshiite |
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Russian |
Имайошиит |
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Japanese |
今吉石 |
CNMNC (IMA)-Number
IMA 2013-069 |
CNMNC symbol
Symbol |
Iys |
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