Pseudoleucite syenite is a magmatic rock, which is rarely found in the foidolite rock group. With respect to the compositions of similar alkali feldspars as sodium potassium aluminosilicates, feldspathoid minerals are normally characterized by silica deficiency. Pseudoleucite syenite formed from alkaline (sodium and potassium)-rich and silica-poor magmas. In this study, intrusion-related distributions, mineralogical and petrographical properties, and mineral chemistry of pseudoleucites in İsahocalı (Kırşehir) alkali syenites from Central Anatolia Granitoids have been investigated, and magnetic enrichment processes have been carried out on their crushed and grinded samples. As a result of the enrichment of pseudoleucite syenites with a high amount of K2O + Na2O (12.25 + 5.61 wt.%), via dry magnetic separator, the obtained data demonstrated that pseudoleucites in İsahocalı Alkali syenites can be used as industrial raw material in sectors such as ceramics, agriculture, cement industries, etc.
Part of the book: Mineralogy
Kammererite formations were observed in the region of Tokat province in the north of Anatolia. Kemmererite (purple, reddish, pink color) is present in the form of nodules or veins in chromium levels found in Mesozoic basic-ultrabasic rocks. In the surveys, it was found that archerite minerals do not show a widespread distribution and have different shades of pink and color and glassy brightness. Thin-section analyses were performed from kammererite samples. In the investigations, kammererite mineral showed brownish or pinkish pleochroism in plane-polarized light. In crossed polars, it was observed that they had interference color in grayish tones. Due to its low hardness, kammererite was treated with epoxy to increase its durability. In addition, it has been determined that they can be used in both jewelry and ornamental objects with the applied cabochon cutting styles.
Part of the book: Mineralogy