Berdasarkan karakteristiknya, pasir kuarsa dapat digunakan di industrj gelas, kaca, semen, keraaik, logaa dan pengecoran logaa, dll. Potensi pasir kuarsa ini cukup banyak dan tersebar di 56 lokasi di 16 propinsi di Indon~sia. Jumlah cadangannya diperkirakan tidak kurang dari 5,2 milyar ton. Sebagian besar (72,76 %) terdapat di Propin…
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Deskripsi Fisik
60 Halaman, isi tidak berwarna, lampiran, cover hi
Naturally, gypsum occures as a sulphate mineral containing water of crystallization. Gypsum is used widely in industrial, construction and medical sectors. Anhydrite as its name implies is the sulphate without water of crystallization. In addition anhydrite is found in association with gypsum. Recently, domestic gypsum end-users show some sig…