VALUABLE STONES Stamp and FDC
A commemorative stamp with the subject of ‘valuable stones’, on which the visuals of lüle taşı (Sepiolit) and Oltu taşı (Jet Stones) that have an important place in our country are situated and a first day cover were put into circulation by PTT on 29 April 2015.
LÜLE TAŞI: The lüle taşı is a white clay mineral which is known as ‘sepiolit’ in the science world. The high quality of processable sepiolit is just extracted from Eskişehir all over the world. It has been used in the production of tobacco pipe and knickknackery as an art and decoration material.
OLTU TAŞI: The Oltu taşı is generally a semi-precious black stone which has mostly a carbon constituent. This stone, which is extracted from the territories of Oltu, the county of Erzurum, is called with the name of ‘Oltu’ throughout the world. It is used for the production of trappings, jewellery and especially beads.
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