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Aegirine-augite, Dellaventuraite
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| Mineral: | Aegirine-augite: (Ca,Na)(Mg,Fe++,Fe+++)[Si2O6] Dellaventuraite: NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2 | ||||
| Comments: | View in plane-polarized light of reddish brown dellaventuraite (OPTK) as an overgrowth on purple-gray aegirine-augite (AE-AG) in a matrix of rounded quartz (QZ) with minor rounded (high relief) apatite grains. (AmMin 90:306). | ||||
| Location: | Kajlidongri manganese mine, Jhabua District, Madhya Pradesh, India. | ||||
| Scale: | Picture size 2.5 cm. | ||||
| Copyright: | © American Mineralogist | ||||
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