Batu Rijang ( Chert )

In Kamus Geologi Tambang 150 views

Batu Rijang ( Chert ) merupakan 1. Jenis batu semi permata yang mempunyai rumus kimia sio2, kekerasan 7 skala mohs, berat jenis 2,60, warna terang dan gelap;

Cari Istilah Geologi Tambang


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