Economic Minerals and Rocks Set
The Economic Minerals and Rocks Set is
available for
the first time, and it premiers at the HGMS 2008 annual show to the
teachers. It includes the following items from left to right 1st
row,
then R to L on second row, and R to L on the third row.
1.
Galena
lead
sulfide
ore
of lead
2.
Copper,
native
ore of copper
3. Sphalerite
zinc
sulfide
ore
of zinc
4.
Chalcopyrite
iron copper
sulfide
ore of
copper
5.
Halite
salt,
sodium chloride
used in chemicals, for
animals, rock salt for roads
6.
Gypsum
calcium
sulfate
source
of Lime, plaster, wallboard
7.
Sulfur (with
calcite) sulfur,
element
used in chemicals,
fertilizers, making sulfuric acid
8.
Hematite
iron
oxide
ore
of iron
9.
Garnet
abrasives, sandpaper
10.
Magnetite
iron
oxide
ore
of iron
11.
Pyrite
iron
sulfide
used to produce sulfuric acid
12.
Fluorite
calcium
fluoride
flux in steel making, in fluoridation
13.
Barite
barium
sulphate
drilling mud weighting agent, fillers
14.
Limestone
calcium
carbonate
cement, aggregate, building construction
15.
Granite
monuments, rip-rap, gravel, countertops
16.
Basalt/Diabase
gravel, asphalt binder
17.
Feldspar
calcium
silicate
porcelain, crucibles