Batu Topas ( Topaz )

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Batu Topas ( Topaz ) merupakan Jenis batu permata dengan rumus kimia al2 sio4 (f,oh)2, kekerasan 3,4-3,5, warna bening, kuning, merah muda, kebiruan, kehijauan

Cari Istilah Geologi Tambang


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