Gemology MCQs Part 6

Test Your Knowledge in Gemology Part 6

1. A 2-carat fine-quality ruby is worth more than 10 rubies of the same color and quality, which have a total weight of 4 carats.

a) True
b) False

Correct Answer: a) True

2. One carat equals:

a) 1 gram
b) 1/10 of a gram
c) 1/5 of a gram
d) 1/2 of a gram

Correct Answer: c) 1/5 of a gram

3. A ten-pointer is a stone that weighs:

a) 10 carats
b) 1/10 of a carat
c) 10 facet junctions
d) 10 grams

Correct Answer: b) 1/10 of a carat

4. When comparing gem prices, you should compare their:

a) Per-carat cost
b) Overall size
c) Density
d) Facet count

Correct Answer: a) Per-carat cost

5. If a Tanzanite weighs 4 carats and costs $1600, what is its per-carat price?

a) $200
b) $400
c) $800
d) $1600

Correct Answer: b) $400

6. What is the cost of a 0.25-carat ruby that sells for $400 per carat?

a) $25
b) $50
c) $100
d) $400

Correct Answer: c) $100

7. A 1-carat round emerald would typically cost less than a 1-carat emerald-cut emerald, all other factors being equal.

a) True
b) False

Correct Answer: a) False

8. All step cuts are emerald cuts.

a) True
b) False

Correct Answer: b) False

9. Which cut is most commonly used for rubies and sapphires?

a) Emerald cut
b) Mixed cut
c) Brilliant cut
d) Cabochon cut

Correct Answer: b) Mixed cut

10. The large top facet of a stone is called?

a) Pavilion
b) Crown
c) Table
d) Girdle

Correct Answer: c) Table

11. The narrow rim around the circumference of a stone is called the:

a) Pavilion
b) Crown
c) Table
d) Girdle

Correct Answer: d) Girdle