Batu Kalsedon ( Chalcedony )

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Batu Kalsedon ( Chalcedony ) merupakan Jenis batu semi permata yang mempunyai rumus kimia SiO2, kekerasan 7 skala mohs, warna bervariasi (kelabu sampai kuning madu)

Cari Istilah Geologi Tambang


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