Diamonds & diamond grading final exam solved correctly to
score a+
1. Bourse A diamond buying and selling
club
-they have them in trading centers
2. Peridotite A type of rock that diamonds form in
-igneous rock ( formed from a molten state)
-most diamond form in this rock
-has consistent release of carbon
3. Eglogite A type of rock that diamond form in
-metamorphic rock (rocks that have been altered by heat and pressure
-does not have a consistent release of carbon
4. How far 90-140 miles (140-220 kilometers)
beneath the
earth do dia-
monds form?
5. Drift A horizontal tunnel drilled through a diamond pipe
6. De Beers the owners of a farm where one of the first diamond rushes took place.
Consol- idated
Mines Ltd. was
named after
A rough diamond distribution agency
7. The Central
- served as this until 2001
Sell- ing
Organization
(CSO)
8. Pipes The deep vertical formations through which diamonds travel to the surface
9. Chambering An older underground mining technique
-expensive & dangerous so no longer used
-block caving is the alternative to this
, Diamonds & diamond grading final exam solved correctly to
score a+
10. Most of the pipe, alluvial, and marine deposits
dia- monds
that come
, Diamonds & diamond grading final exam solved correctly to
score a+
from Africa 16. The Argyle mine in Australia con- tribute
are recovered to the rise of the cutting industry in
from
11. Most of the
dia- monds
that come
from Russia
are recovered
from
12. What is the
spe- cific
gravity of a
gem-quality
dia- mond?
13. Diamonds are
more
concentrat- ed
in which type
of deposit?
14. The first step
in exploring
for dia- monds
is to
15. The diamond
industry has
changed
dramat- ically
in recent
years because
, Diamonds & diamond grading final exam solved correctly to
score a+
Primary Sources look for the oldest parts of the earth's crust
the world's supply of diamond rough has increased
3.52 -this means diamonds are available to more people
Marine deposits India
score a+
1. Bourse A diamond buying and selling
club
-they have them in trading centers
2. Peridotite A type of rock that diamonds form in
-igneous rock ( formed from a molten state)
-most diamond form in this rock
-has consistent release of carbon
3. Eglogite A type of rock that diamond form in
-metamorphic rock (rocks that have been altered by heat and pressure
-does not have a consistent release of carbon
4. How far 90-140 miles (140-220 kilometers)
beneath the
earth do dia-
monds form?
5. Drift A horizontal tunnel drilled through a diamond pipe
6. De Beers the owners of a farm where one of the first diamond rushes took place.
Consol- idated
Mines Ltd. was
named after
A rough diamond distribution agency
7. The Central
- served as this until 2001
Sell- ing
Organization
(CSO)
8. Pipes The deep vertical formations through which diamonds travel to the surface
9. Chambering An older underground mining technique
-expensive & dangerous so no longer used
-block caving is the alternative to this
, Diamonds & diamond grading final exam solved correctly to
score a+
10. Most of the pipe, alluvial, and marine deposits
dia- monds
that come
, Diamonds & diamond grading final exam solved correctly to
score a+
from Africa 16. The Argyle mine in Australia con- tribute
are recovered to the rise of the cutting industry in
from
11. Most of the
dia- monds
that come
from Russia
are recovered
from
12. What is the
spe- cific
gravity of a
gem-quality
dia- mond?
13. Diamonds are
more
concentrat- ed
in which type
of deposit?
14. The first step
in exploring
for dia- monds
is to
15. The diamond
industry has
changed
dramat- ically
in recent
years because
, Diamonds & diamond grading final exam solved correctly to
score a+
Primary Sources look for the oldest parts of the earth's crust
the world's supply of diamond rough has increased
3.52 -this means diamonds are available to more people
Marine deposits India
