What Are Gemstones? 12 Interactive MCQs on Gemstone Basics

Begin this chapter-by-chapter quiz series with the book’s opening topic, What Are Gemstones? These 12 questions cover the book’s introduction to mineral gems, organic gem materials, precious metals, rough stones, faceting, and imitations. Choose one answer for each question, then submit to see your score and explanations.

12 questions · Four options each · Instant results

1. According to the book, what are most gemstones?

Manufactured ornaments with no fixed composition
Minerals fashioned, or suitable to be fashioned, for personal adornment
Precious metals in their natural state
Any colorful rock, regardless of durability

2. Which three qualities does the book give as typical of gemstones?

Softness, abundance, and opacity
Weight, magnetism, and fluorescence
Beauty, rarity, and durability
Transparency, radioactivity, and softness

3. Which description matches the book’s definition of a mineral?

A natural, inorganic material with fixed chemical composition and regular internal structure
Any material shaped by a craftsperson
A substance produced only by living organisms
A mixture whose composition must constantly change

4. Which pair is identified as organic gems?

Gold and platinum
Emerald and ruby
Quartz and garnet
Amber and pearl

5. Which source pairing is correct in the book?

Pearl—trees; amber—shellfish
Pearl—shellfish; coral—polyps; amber—fossilized tree resin
Pearl—polyps; coral—trees; amber—shellfish
All three are lab-grown minerals

6. Which group contains only organic materials named in the book?

Ivory, jet, and shell
Gold, silver, and platinum
Quartz, feldspar, and garnet
Glass, synthetic corundum, and platinum

7. How are organic gem materials commonly worked, according to the book?

They are always faceted like mineral gems
They are melted into metal settings
They may be polished, carved, drilled, or threaded as beads
They are left unworked because they cannot be shaped

8. Which statement about precious metals matches the text?

They are all organic gems
They are true gemstones because they are durable
The book lists copper, iron, and tin
Gold, silver, and platinum are not true gemstones

9. Which precious metal does the book call the rarest and most valuable?

Silver
Platinum
Gold
Copper

10. What does the book call a gem in its natural crystal form, embedded in host rock?

Rough, with the surrounding host rock called the matrix
A cabochon
A synthetic
A precious metal

11. Which description correctly distinguishes a faceted stone from a cabochon?

A faceted stone is always organic; a cabochon is always metal
Both terms mean a rough crystal in matrix
Facets are flat surfaces; a cabochon has a polished dome
A cabochon is a lab-grown crystal

12. What is the difference between a synthetic gem and an imitation described here?

Both are always natural minerals
An imitation must have the same composition as the gem it resembles
Synthetics are organic, while imitations are precious metals
Synthetics are lab-made with similar properties to natural gems; imitations use other materials to resemble them

Source: Cally Hall, Gemstones, opening introduction, pp. 10–11. Questions are paraphrased from the book.