1.
How many facets does a round brilliant cut diamond have?
Correct Answer
A. 58
Explanation
A round brilliant cut diamond has 58 facets. The facets are the flat, polished surfaces on the diamond that help to reflect and refract light, giving the diamond its sparkle and brilliance. The round brilliant cut is the most popular and classic diamond shape, designed to maximize the diamond's brilliance and fire. The 58 facets are strategically placed to optimize the diamond's light performance, making it a highly sought-after choice for engagement rings and other jewelry.
2.
A "carat" is a unit of weight approximately equal to how many milligrams?
Correct Answer
D. 200
Explanation
A "carat" is a unit of weight used to measure gemstones and pearls. It is equal to 200 milligrams. This means that if you have a gemstone or pearl that weighs 1 carat, it would be approximately 200 milligrams in weight.
3.
Which gold, while not the purest, is considered the best for jewelry?
Correct Answer
A. 18 Carat
Explanation
18 Carat gold is considered the best for jewelry because it is a good balance between purity and durability. It contains 75% pure gold and 25% other metals, making it more resistant to scratches and less prone to tarnishing compared to higher carat gold. This makes 18 Carat gold ideal for creating intricate and delicate jewelry pieces that can withstand everyday wear and tear. Additionally, the presence of other metals gives 18 Carat gold a beautiful warm color, making it highly desirable for jewelry making.
4.
Who invented Black Hills Gold's distinctive grape leaves pattern?
Correct Answer
A. A Lost Frenchman
Explanation
The correct answer is "A Lost Frenchman." Black Hills Gold's distinctive grape leaves pattern was invented by a Lost Frenchman.
5.
What is the modern birthstone for the month of June?
Correct Answer
C. Alexandrite
Explanation
Alexandrite is the modern birthstone for the month of June. It is a rare and valuable gemstone known for its unique color-changing properties. Alexandrite appears green in daylight and red under incandescent light, making it a highly sought-after gemstone. This gemstone symbolizes love, luck, and creativity, making it a popular choice for June birthdays.
6.
What is the chemical composition of a ruby?
Correct Answer
C. Aluminum Oxide And Chrome
Explanation
The correct answer is Aluminum Oxide And Chrome. Ruby is a red gemstone that belongs to the corundum mineral species. It gets its red color from the presence of chromium impurities in the crystal lattice structure of aluminum oxide. Therefore, the chemical composition of a ruby is Aluminum Oxide And Chrome.
7.
Which precious stone is sometimes called the "sailor's stone"?
Correct Answer
B. Aquamarine
Explanation
Aquamarine is sometimes called the "sailor's stone" because it is believed to provide protection and good luck to sailors. Its name is derived from the Latin words "aqua" meaning water and "marina" meaning sea, which reflects its connection to the ocean. The serene blue color of aquamarine is reminiscent of the sea, making it a popular choice among sailors and those who have a connection to the water.
8.
What is the modern birthstone for the month of November?
Correct Answer
D. Citrine
Explanation
Citrine is the modern birthstone for the month of November. It is a yellow-orange gemstone that is believed to bring prosperity and success to those born in this month. Citrine is known for its vibrant color and is often associated with warmth, happiness, and positive energy. It is a popular choice for jewelry and is considered a symbol of abundance and good fortune.
9.
Which is the largest diamond ever found?
Correct Answer
D. Cullinan
Explanation
The Cullinan diamond is the largest diamond ever found. It was discovered in South Africa in 1905 and weighed a staggering 3,106 carats. The diamond was named after the chairman of the mining company, Thomas Cullinan. It was later cut into several smaller diamonds, with the largest being the Cullinan I, also known as the Great Star of Africa, which is now part of the British Crown Jewels. The Cullinan diamond remains a symbol of extraordinary size and beauty in the world of gemstones.
10.
What is the modern birthstone for the month of May?
Correct Answer
C. Emerald
Explanation
Emerald is the correct answer because it is widely recognized as the modern birthstone for the month of May. Birthstones are gemstones that are associated with each month of the year, and emerald has been designated as the birthstone for May. It is a precious gemstone known for its vibrant green color and is often associated with growth, renewal, and prosperity.
11.
Which is considered to be a semi-precious stone used in jewelry?
Correct Answer
C. Garnet
Explanation
Garnet is considered to be a semi-precious stone used in jewelry. It is a group of minerals that come in a variety of colors, including red, green, orange, and pink. Garnet is known for its durability and brilliance, making it a popular choice for jewelry. It is often used as a gemstone in rings, necklaces, and earrings, adding a touch of elegance and beauty to the wearer's ensemble.
12.
Wearing jewelry that contains your birthstone is said to bring you good luck and what else?
Correct Answer
A. Good Health
Explanation
Wearing jewelry that contains your birthstone is said to bring you good luck and good health. Birthstones are believed to possess certain healing properties and wearing them can promote physical well-being. It is believed that birthstones can help in boosting the immune system, improving energy levels, and protecting against illnesses. Therefore, wearing jewelry with your birthstone is believed to bring not only luck but also contribute to maintaining good health.
13.
What color is malachite?
Correct Answer
C. Green
Explanation
Malachite is a green-colored mineral that is often used in jewelry and decorative items. It is known for its vibrant green color, which is caused by the presence of copper in its composition. The green hue of malachite can range from a light, almost neon green to a darker, forest green shade. This distinct green color is what makes malachite easily recognizable and sought after in various industries.
14.
Which color is demantoid?
Correct Answer
B. Green
Explanation
Demantoid is a green-colored gemstone, which is a variety of the mineral andradite garnet. It is known for its vibrant green color, which can range from a yellowish-green to a deep forest green. The green color of demantoid is caused by the presence of chromium within the crystal structure. This gemstone is highly valued for its brilliance, fire, and rarity, making it a sought-after choice for jewelry enthusiasts.
15.
What caused the press to call Charles Tiffany "The King of Diamonds" in 1887?
Correct Answer
A. He Acquired French Crown Jewels
Explanation
Charles Tiffany was called "The King of Diamonds" in 1887 because he acquired the French Crown Jewels. This acquisition elevated his status and solidified his reputation as a prominent figure in the diamond industry. By obtaining such prestigious and valuable jewels, Tiffany demonstrated his expertise and influence in the world of diamonds, earning him the title "The King of Diamonds."
16.
Which country was nicknamed the "Jewel in the Crown" of the British Empire?
Correct Answer
D. India
Explanation
India was nicknamed the "Jewel in the Crown" of the British Empire because it was considered the most valuable and prized possession of the British Empire. India was known for its rich resources, including spices, textiles, and precious gems, which made it a lucrative colony for the British. Additionally, India's large population and strategic location made it a crucial part of the British Empire's global dominance. The nickname "Jewel in the Crown" reflects the importance and significance of India to the British Empire during the colonial era.
17.
What gives aquamarine its characteristic blue color?
Correct Answer
D. Iron
Explanation
Iron is responsible for giving aquamarine its characteristic blue color. Iron impurities within the crystal structure of the gemstone absorb certain wavelengths of light, particularly in the red and yellow regions of the visible spectrum, resulting in the blue coloration. The presence of iron ions in the crystal lattice causes the gemstone to reflect and transmit blue light, giving it its unique hue.