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Okhotskite-(Mg)

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Formula:
Ca8(Mn2+,Mg)(Mn3+,Al,Fe3+)(SiO4)(Si2O7)(OH)2 · H2O
Crystal System:
Monoclinic
Name:
Named in 1987 by Togari and Akasaka for the Sea of Okhotsk, along which the mine is located.
This page provides mineralogical data about Okhotskite-(Mg).


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Classification of Okhotskite-(Mg)Hide

Notes:
Unnamed (probably valid)
Approval History:
Unnamed, but probably valid.
58.2.2.3

58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
2 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)

Chemical Properties of Okhotskite-(Mg)Hide

Formula:
Ca8(Mn2+,Mg)(Mn3+,Al,Fe3+)(SiO4)(Si2O7)(OH)2 · H2O

Crystallography of Okhotskite-(Mg)Hide

Crystal System:
Monoclinic

Related Minerals - Dana Grouping (8th Ed.)Hide

58.2.2.1Julgoldite-(Fe2+)Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2 · H2OMon.
58.2.2.2Julgoldite-(Fe3+)Ca2Fe3+Fe3+2(Si2O7)(SiO4)O(OH) · H2OMon.
58.2.2.3Epidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.2.5Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
58.2.2.6Pumpellyite-(Fe3+)Ca2(Fe3+,Mg)(Al,Fe3+)2(Si2O7)(SiO4)(OH,O)2 · H2OMon.
58.2.2.7Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2OMon.
58.2.2.8Pumpellyite-(Mn2+)Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
58.2.2.9ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2OMon.

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 Okhotskite-(Mg)Hide

Reference List:
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Amer. Min. 76, 241-245 (1991)

Internet Links for Okhotskite-(Mg)Hide

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