Our company for very different mineral product line (kaolin, manganese dioxide, talc, sepiolite, zeolite, graphite) is producing or has supplied and are one of the leading firms in Turkey on this issue.
According to the "Mohs scale", which classifies the substances in the world with 10 degrees according to their hardness and where human nails have a hardness degree of 2.5, talc is at the 1st degree and earns the title of the softest mineral known. Classified by mineralogists as "knife cut-sectile", talc has the formula Mg3 Si4 O10 (OH) 2 and is called "magnesium silicate hydroxide". Talc with a specific weight of 2.5-2.8 has a translucent-opaque appearance.