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Magnesiosadanagaite
A synonym of Sadanagaite
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Formula:
{Na}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2
Lustre:
Vitreous
Hardness:
5½ - 6
Specific Gravity:
3.17 - 3.18
Crystal System:
Monoclinic
Name:
Magnesiosadanagite was defined by Shimazaki et.al(1984) as an Al rich amphibole with K>Na and Mg>Fe2+. In the 1997 amphibole nomenclature ( Leake et. al) magnesiosadanagaite was redefined with Na>K, so that the mineral originally described as magnesiosadanagaite became potassic-magnesiosadanagaite.
Magnesiosadanagaite in accordance with the 1997 nomenclature was identified and published by Banno et al. (2004).
In the 2012 amphibole nomenclature, sadanagaite was redefined to be the Na, Mg and Al dominant member of the group, thus obsoleting the name magnesiosadanagaite. The magnesiosadanagaite of Banno et. al (2004) is from 2012 named sadanagite.
Magnesiosadanagaite in accordance with the 1997 nomenclature was identified and published by Banno et al. (2004).
In the 2012 amphibole nomenclature, sadanagaite was redefined to be the Na, Mg and Al dominant member of the group, thus obsoleting the name magnesiosadanagaite. The magnesiosadanagaite of Banno et. al (2004) is from 2012 named sadanagite.
Synonym:
A synonym of Sadanagaite
This page provides mineralogical data about Magnesiosadanagaite.
Unique Identifiers
Mindat ID:
2484 (as Magnesiosadanagaite)
3499 (as Sadanagaite)
3499 (as Sadanagaite)
Long-form identifier:
mindat:1:1:2484:2 (as Magnesiosadanagaite)
mindat:1:1:3499:5 (as Sadanagaite)
mindat:1:1:3499:5 (as Sadanagaite)
Internet Links for Magnesiosadanagaite
mindat.org URL:
https://www.mindat.org/min-2484.html
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References for Magnesiosadanagaite
Reference List:
Shimazaki, Hidehiko, Bunno, Michiaki, Ozawa, Tohru (1984) Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan. American Mineralogist, 69 (5-6) 465-471
Leake, B. E., Woolley, A. R., Arps, C. E. S., Birch, W. D., Gilbert, M. C., Grice, J. D., Hawthorne, F. C., Kato, A., Kisch, H. J., Krivovochev, V. G., Linthout, K., Laird, J., Mandarino, J. A., Maresch, W. V., Nickel, E.H., Rock, N. M. S., Schumacher, J. C., Smith, D. C., Stephenson, N. C. N., Ungaretti, L., Whittaker, E. J. W., Youzhi, Gou (1997) Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist, 35 (1) 219-246
Banno, Yasuyuki, Miyawaki, Ritsuro, Matsubara, Satoshi, Makino, Kuniaki, Bunno, Michiaki, Yamada, Shigeo, Kamiya, Toshiaki (2004) Magnesiosadanagaite, a new member of the amphibole group from Kasuga-mura, Gifu Prefecture, central Japan. European Journal of Mineralogy, 16 (1) 177-183 doi:10.1127/0935-1221/2004/0016-0177
Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist, 44 (1) 1-21 doi:10.2113/gscanmin.44.1.1
BANNO, Yasuyuki (2007) Description of magnesiosadanagaite and aspidolite, two newly approved mineral species. Japanese Magazine of Mineralogical and Petrological Sciences, 36 (6) 187-189 doi:10.2465/gkk.36.187
