| Company Name | : | POYRAZ HAMMADDELER SANAYİ TİCARET LİMİTED ŞİRKETİ |
| Location | : | İSTANBUL / KARTAL |
| Web Site | : | |
| Tel | : | +90(216) 000 00 00 |
| Fax | : |
MINERALS SELESTITE Pure Celestine is colorless, but impurities give this mineral a wide range of colors. The most common color is light blue, which is often caused by irradiation of gold. This light blue tint may be present in a whole specimen, or may only be confined to one area. Celestine is isomorphous with Barite, and may partially replace it. Celestine is the most common mineral containing the element strontium, and is its primary ore. It is a popular mineral among collectors.
MINERALS OTHER MINERAL SUBSTANCES VERMICULITE, SEPIOLITE, ARSENIC SULFUR, ZIRCONIUM SILICATE
MINERALS GYPSUM, ANHYDRITE, PLASTERS Gypsum is a mineral containing calsium sul fate in its chemical composition. In addition to natural Gypsum, synthetic gypsum is pro duced as well. Important gypsum sources include ankm orum, Yozgat, Erzincan, Ankara-Bala, Sivas, Kars-Kağızman, Tuzluca, Denizli-Sarayköy and Niğde-Karakol.
MINERALS FELDSPAR Feldspar is an aluminosilicate mineraland is classified into three groups accordingto the element in its composition: potassium, sodium and calcium feldspars. It is widely pro duced in WestAnatolia in Milas, Yatagan, Karpuzlu and Simav.