| Formula: | |
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| System: | Isometric | Hardness: | 6 - 7 |
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| Name: | For the Yamato manganese mine. |
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Discredited member of Garnet Group. Resubmitted as IMA 2009-026.
Originally reported from Yamato mine, Amami-Oshima Island, Kagoshima Prefecture, Nansei Archipelago, Japan.
Classification of Yamatoite |
| IMA status: | Discredited 1967 |
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| Explanation of status: | "Yamatoite" from the Yamato manganese mine is a Mn-rich goldmanite with 40-50% of the "yamatoite" "molecule". Nowadays the name "yamatoite" is still used for the hypothetical Mn-V-dominant garnet molecule and for synthesized equivalents. |
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| Strunz 8th edition ID: | 8/A.08-138
8 : Silicates A : Nesosilicates, with [SiO4]4- groups, cations of tetrahedric orientation [4] 08 : Garnet group, Pyrope - Henritermierite |
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| mindat.org URL: | http://www.mindat.org/min-7376.html Please feel free to link to this page. |
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Physical Properties of Yamatoite |
| Hardness (Mohs): | 6 - 7 |
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Crystallography of Yamatoite |
| Crystal System: | Isometric |
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Optical Data of Yamatoite |
| Type: | Isotropic |
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Chemical Properties of Yamatoite |
| Formula: | |
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| Essential elements: | Mn, O, Si, V |
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| All elements listed in formula: | Al, Ca, Mn, O, Si, V |
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Relationship of Yamatoite to other Species |
Related Minerals - Strunz Grouping):
- + | |
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Other Names for Yamatoite |
| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Yamatoite |
| Reference List: | Momoi (1964) Memoirs of the Faculty of Science, Kyushu University, series D, 15, 73-78.
Min.Mag. (1967), 36, 133 |
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Internet Links for Yamatoite |
| Search Engines: |
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| Jobs: | Mining & Geology Jobs |
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Localities for Yamatoite |