Batu Turmalin ( Turmalline )

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Batu Turmalin ( Turmalline ) merupakan Jenis batu permata yang mempunyai rumus kimia (naca) nimgfemn3 AlFeB3Si16 O27 (OH)7, kekerasan 7,7,5 skala mohs, skala 2,9-3,25, warna kehijauan, kemerahan, biru tua

Cari Istilah Geologi Tambang


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