Locality type: | Mine |
Classification |
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Species: | Ferri-winchite |
Formula: | ◻(NaCa)(Mg4Fe3+)Si8O22(OH)2 |
Comments: | An analysis published as winchite by Nambu et al (1980)corresponds to the following formula: (K0.246Na0.234)0.48 (Ca1.29Na0.679Mn0.031)2(Mg4.437Fe3+0.276Mn0.193Al0.094)5 (Si7.829Al0.171)8 O22(OH)2, corresponding to a ferri-winchite compostion.
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Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Ferri-winchite data |
Locality Data: | Click here to view Kotamagawa mine, Karumai, Iwate Prefecture, Japan |
Data Identifiers |
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Mindat Occurrence Record ID: | 915166 |
Long-form Identifier: | 1:3:915166:6 |
GUID (UUID V4): | 74b9a35b-ed47-437a-aa31-1dcd1225f908 |
References |
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