What is the Iranian rock industry in the world? What issues can the Iranian rock industry face? How can the Iranian rock industry be developed?
Iran's rock industry is one of the greatest opportunities for entrepreneurship, job creation and economics, which unfortunately remains unclear despite the efforts made by the private ... Read More
Archive: July, 2018
20
Jul2018
09
Jul2018
different type of stone
different type of stone There are four main categories of which stones are identified: SEDIMENTARY , METAMORPHIC , IGNEOUS STONE, and MAN-MADE (Quartz).
LIMESTONE:
composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite. Varies in colours and most limestones are in Matte/Honed finish ... Read More
01
Jul2018
Onyx
is a banded variety of the oxide mineral chalcedony. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colors of its bands range from white to almost every color (save some ... Read More