Geology Flashcards
Marcasite
White iron pyrite, aka fool’s gold.
What is a birthstone?
A birthstone is a gemstone that is traditionally associated with each month of the year.
Which gemstone is the birthstone for January?
Garnet
Fill in the blank: The birthstone for February is __________.
Amethyst
What is the birthstone for March?
Aquamarine
Which month has diamond as its birthstone?
April
What is the significance of the birthstone for June?
Pearl, Alexandrite, and Moonstone are the birthstones for June, symbolizing purity and wisdom.
Fill in the blank: The birthstone for July is __________.
Ruby
What gemstone is associated with August?
Peridot
Which birthstone is linked to September?
Sapphire
What is the birthstone for December?
Turquoise, Tanzanite, and Zircon
What is a precious stone?
A precious stone is a rare, naturally occurring mineral that is cut and polished for use in jewelry and ornamentation.
True or False: Diamonds are considered precious stones.
True
Name the four main categories of precious stones.
Diamonds, Rubies, Sapphires, and Emeralds.
What is the hardest natural substance on Earth?
Diamond
Fill in the blank: The value of a gemstone is often determined by its _____, color, clarity, and carat weight.
cut
Which gemstone is known for its deep red color?
Ruby
What is the birthstone for September?
Sapphire
True or False: Emeralds are more valuable than diamonds.
False
What is the term for the process of cutting and polishing gemstones?
Lapidary
What gemstone is associated with love and passion?
Ruby
Name a gemstone that is green in color.
Emerald
Multiple Choice: Which of the following is NOT a precious stone? A) Diamond B) Quartz C) Emerald
B) Quartz
What is the primary component of a diamond?
Carbon
Fill in the blank: A gemstone’s _____ refers to its transparency and the presence of inclusions.
clarity
True or False: Sapphires can only be blue.
False
What is the most valuable color of sapphire?
Padparadscha (pink-orange)
What gemstone is known for its vibrant green color and is often used in engagement rings?
Emerald
Name the gemstone that symbolizes wisdom and royalty.
Sapphire
What is the term for the carat weight of a gemstone?
A measure of weight equal to 200 milligrams.
Fill in the blank: The _____ of a gemstone refers to its overall appearance and aesthetic appeal.
cut
Which gemstone is often associated with healing properties?
Amethyst
True or False: All gemstones are minerals.
False
What is the most famous diamond in the world?
The Hope Diamond
What mineral is the primary component of emeralds?
Beryl
Fill in the blank: The _____ is the scale used to measure the hardness of minerals, including gemstones.
Mohs scale
What is the birthstone for May?
Emerald
Multiple Choice: Which gemstone is known for its purple color? A) Ruby B) Amethyst C) Sapphire
B) Amethyst
What gemstone is traditionally given for a 40th wedding anniversary?
Ruby
True or False: Topaz is considered a precious stone.
False
What color is a typical sapphire?
Blue
What gemstone is known for its exceptional clarity and brilliance?
Diamond
Fill in the blank: The _____ of a gemstone can affect its value significantly.
color
What is the birthstone for December?
Turquoise
Which gemstone is often used in alternative therapies?
Amethyst
Multiple Choice: Which gemstone is known as the ‘stone of successful love’? A) Ruby B) Rose Quartz C) Sapphire
B) Rose Quartz
What is the primary characteristic that distinguishes precious stones from semi-precious stones?
Rarity and value.
True or False: All diamonds are colorless.
False
What is the main source of rubies?
Myanmar (Burma)
Fill in the blank: The _____ of a gem refers to its size, typically measured in carats.
weight
What precious stone is often used in engagement rings due to its durability?
Diamond
What is the most expensive gemstone per carat?
Pink Diamond
Multiple Choice: Which of the following is a blue gemstone? A) Emerald B) Sapphire C) Ruby
B) Sapphire
What gemstone is known for its deep blue color and is often confused with lapis lazuli?
Sapphire
True or False: Gemstones can only be found in specific geographic locations.
True
What is the name of the diamond that is famous for its blue color and curse?
The Hope Diamond
Fill in the blank: A gemstone’s _____ can change its perceived value in the market.
origin
What precious stone is known as the ‘stone of strength’?
Ruby
What is the birthstone for April?
Diamond
Multiple Choice: Which gemstone is known for its healing properties? A) Diamond B) Amethyst C) Sapphire
B) Amethyst
What gemstone is often used as a symbol of fidelity?
Sapphire
