Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
white talc-2
platy talc
Talc is is one of
the softest of all minerals and holds the place of 1 on Mohs scale of
hardness.
It is metamorphic mineral with a composition of hydrous magnesium
silicate.
Talc has a pearly luster and a soapy feeling. When ground to a fine powder
and
scented with perfume, it becomes talcum powder.
talc
1
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