Gemology Quiz

Gemstone Quiz

1. 1. Which of the following is a defining characteristic of organic gems?

   A) Created by geological processes
   B) Formed through natural weathering
   C) Made by living organisms
   D) Originates from volcanic activity

2. 2. Which gemstone is considered organic?

   A) Sapphire
   B) Coral
   C) Diamond
   D) Topaz

3. 3. What is the primary factor that qualifies a material to be considered a gemstone?

   A) Weight and size
   B) Beauty
   C) Age and origin
   D) Transparency and brilliance

4. 4. Which of the following is a measure of a gemstone's ability to resist scratching?

   A) Luster
   B) Toughness
   C) Hardness
   D) Brilliance

5. 5. Which scale is commonly used to measure the hardness of gemstones?

   A) Richter Scale
   B) Kelvin Scale
   C) Mohs Scale
   D) Celsius Scale