TALC Flashcards
1
Q
Talc Chemical composition
A
Mg3Si4O10(OH)2
2
Q
Talc color
A
green, white, gray, brown, or colorless.
3
Q
Talc luster
A
Pearly luster
4
Q
Talc Fe substitutes Mg
A
Minnesotaite
5
Q
Talc Al substitute Mg
A
Pyrophyllite
6
Q
Leading talc-producing countries 2018
A
China, India, brazil, US, South Korea, France, Japan, and Finland
7
Q
Talc with chlorite, dolomite and/or magnesite
A
Talc-Carbonate
8
Q
Talc with chlorite
A
Talc-Chlorite
9
Q
Occurs when heated waters, carrying
dissolved magnesium and silica, react with
dolomitic marbles.
A
Method 1
10
Q
Occurs when heat and chemically active
fluids altered rocks such as dunite and
serpentinite.
A
Method 2
11
Q
Talc 2 grades
A
Industrial Grade
Pharmaceutical/Food/Cosmetic Grade
12
Q
Mining operations usually
consist of conventional drilling
and blasting methods.
A
Open-pit mining
