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Sapphire occurrences in upper barito central kalimantan
Sapphires in Upper Bari to occur in active Busang stream deposits. The sapphires gravel deposits associates with heavy minerals such as zircon, garnet, epidote, ilmenite, chrom diopside, chromite and magnetite. The colour varies from red-rose to light-blue, greenish blue, greenish grey, pink, and white. Some of the sapphires are opaque but suitable for cabochon polished gemstone…
- Edisi
- -
- ISBN/ISSN
- 0216-0765
- Deskripsi Fisik
- 35p.,ill. 14 x 21 cm
- Judul Seri
- -
- No. Panggil
- PK No. 86
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah