Locality type: | Mine |
Classification |
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Species: | Potassic-magnesio-hastingsite |
Formula: | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
Chemical Analyses: |
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Oxide wt%: | | 1 |
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SO3 | 0.03 % |
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P2O5 | 0.02 % |
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SiO2 | 39.68 % |
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TiO2 | 0.64 % |
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Al2O3 | 11.71 % |
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Cr2O3 | 0.01 % |
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Fe2O3* | 9.27 % |
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FeO* | 12.86 % |
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MnO | 0.25 % |
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MgO | 8.23 % |
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CaO | 10.80 % |
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SrO | 0.01 % |
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BaO | 0.03 % |
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Na2O | 1.75 % |
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K2O | 2.14 % |
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F | 1.08 % |
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Cl | 1.21 % |
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[H2O] (by stoichiometry) | 0.98 % |
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-O=(F+Cl) | -0.73 % |
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Total: | 99.97 % |
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Empirical formulas: | 1 | (K0.42Na0.31β»0.27)(Ca1.79Na0.21)(Mg1.89Fe2+1.66Fe3+1.08Al0.26Ti0.07Mn2+0.03)[Si6.12Al1.87O22]([OH]1.01F0.53Cl0.32O0.15) |
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Sample references: | |
Confirmation |
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Validity: | Confirmed |
Confirmation Methods: | EPMA |
Associated Minerals Based on Photo Data: |
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Magnetite | β3 photos of Potassic-magnesio-hastingsite associated with Magnetite at this locality. |
Fluorapatite | β3 photos of Potassic-magnesio-hastingsite associated with Fluorapatite at this locality. |
Data |
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Mineral Data: | Click here to view Potassic-magnesio-hastingsite data |
Locality Data: | Click here to view Greenwood mine (Patterson mine), Town of Tuxedo, Orange County, New York, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 1423502 |
Long-form Identifier: | 1:3:1423502:9 |
GUID (UUID V4): | a3cd1839-4db9-4e2b-8e9a-a0d847e3c681 |
References |
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Greenwood mine, Town of Tuxedo, Orange County, New York, USA