Feb 22, 2018 · Production of talc in China in 2016 was 1.8 million tonnes, accounting for 27% of global production in 2016. China had held the leading position in the world market for more than 50 years until 2010 when white talc exports from Afghanistan anease rapidly.Aug 21, 2014 · There are no other minerals that are softer than talc. On Moh's hardness scale, diamonds are the hardest mineral, and talc is the softest mineral in the world. 🏠Aug 15, 2020 · Cesium and rubidium (with.3 hardness) lithium, sodium, and potassium (with.6 hardness) are all softer than Talc. 10. Gypsum. Gypsum found in Poland. Mohs hardness: 2 Absolute hardness: 3. Chemical formula: CaSO 4 ·2H 2 O. Gypsum is a sulfate mineralposed of calcium sulfate dihydrate.- Stronger than talc, weaker than calcite. halite. mineral - cleavage in 3 directions, 90 degree - not metallic, transparent in color ... - salt. talc. mineral - not metallic (earthy), light in color, pearly luster - white, pink, green - softer (mineral) than fingernail - 1 plane of cleavage but cleavage not prominent. muscovite. mineral - not ...
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