Mining of Gem and semi gem stones has been considered by Iranians from ancient times. Since sites of chips stone use up to a few kilos of rock per year, due to the limited use of these minerals in the consumer market, mainly the production and collection of raw rocks has been by Wilderness and handpicking.
Extraction is in mines such as Bayg, Sarkavir, Burmud, Dom-e-rubah, Bagh-e-borj, etc., by handpicking of the surface of the earth. In some cases, including mine of the turquoise Neyshabur, extraction is carried out inform underground. A part of the industry’s needs are also supplied from foreign sources, including Azure, American turquoise, colorful agate and …. .It should be noted that Iranian industrialists use 90% of the scraped rocks of agate and turquoise as a ring.
In addition to natural stones, American turquoise, domestic and foreign painted agate, synthetic ruby and the like are also used in this Interiordustry.
After India and Brazil, Iran is the third producer of decorative stones, but Iran’s Firoza [the Persian name of the gem] is known around the world as turquoise [derived from an Old French word for “Turkish”] only because it is traded in Turkey.
Iran is sitting pretty when it comes to decorative and exterior façade stones; it has about four billion tons of decorative stones with an annual production of over 13.5 million tons.
Decorative stones are found in many Iranian provinces, among them East and West Azerbaijan, Isfahan, Khorasan, Fars, Central, Hamadan, Sistan and Baluchestan, and Zanjan.
Processed turquoise can earn Iran higher added value. Investment is needed to encourage more turquoise exports and gain more foreign revenues as a result.