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mankhwala

  • High Quality Biotite (black mica)

    Biotite (black mica)

    Biotite imapezeka makamaka mu miyala ya metamorphic, granite ndi miyala ina.Mtundu wa biotite umachokera ku wakuda mpaka bulauni kapena wobiriwira, wokhala ndi galasi lowala.Mawonekedwe ake ndi mbale ndi mzati.M'zaka zaposachedwa, biotite yakhala ikugwiritsidwa ntchito kwambiri mu utoto wamwala ndi zokutira zina zokongoletsera.