Batu Kristal Kuarsa ( Quartz Crystal )

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Batu Kristal Kuarsa ( Quartz Crystal ) merupakan Jenis batu semi permata yang berumus kimia SiO2, kekerasan 7, berat jenis 2,65, warna bening, merah muda, kuning

Cari Istilah Geologi Tambang


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