[Answer] Which is NOT true about jade?

Step 1 : Introduction to the question "Which is NOT true about jade?"

...The emerald-green color of jade has captivated humans for thousands of years. This gemstone actually comes from two different minerals, jadeite and nephrite; both appear in a rainbow of colors. Modern gemologists use the term “jade” to describe a gemstone from either of these minerals. Jade was used in the Stone Age for knives and ritual objects, and the imperial court in China favored jade for wind chimes, which could be carved to play different notes.

[Answer] Amber, a golden-yellow gemstone, forms from what?

Step 1 : Introduction to the question "Amber, a golden-yellow gemstone, forms from what?"

...The natural beauty of amber has been appreciated by humans since the Stone Age. This gemstone is not a rock or mineral, but fossilized tree sap, which has turned into a hard resin after being buried in the ground for millions of years. Amber ranges from translucent to transparent and comes in all shades of yellow, with tints of orange, brown, or, rarely, red. When amber is cut and polished, it is classified as a gemstone and is used in jewelry and ornamental pieces. Fossilized insects are frequently found in amber after becoming trapped in the sappy substance millions of years ago. Most amber specimens are tens of millions of years old, with the oldest known specimen dating back to 320 million years ago.

[Answer] What does the Mohs Scale measure for minerals?

Step 1 : Introduction to the question "What does the Mohs Scale measure for minerals?"

...The Mohs Scale is used by gemologists to test the hardness of minerals, which helps identify them. To pinpoint the hardness of a specimen, the stone is scratched by ten reference minerals to test its scratch resistance. This test was developed in 1812 by mineralogist Friedrich Mohs, who created the scale that ranges from 1 (softest) to 10 (hardest). Talc is the softest mineral on the list, while diamond is the hardest. Non-mineral objects can also be compared to the minerals on the Mohs Scale, such as a masonry drill bit, which comes in at 8.5 out of 10, softer than the diamond, which is 10 out of 10.

[Answer] Which green gemstone has a popular cut named after it?

Step 1 : Introduction to the question "Which green gemstone has a popular cut named after it?"

...Emeralds have been mined since 3500 BCE in Ancient Egypt. This beautiful green gemstone is cut from the mineral beryl, which comes in a rainbow of colors, but the deep green varieties are called emeralds. The most-valued emerald crystals grow in flat-topped hexagonal columns. These crystals are typically cut into the classic emerald shape — a rectangular step cut with long facets — giving the stone sustained flashes rather than the all-over sparkle that shorter facets cause. The emerald cut has clipped corners, allowing for more durability and wearability in jewelry, and its rectangular length gives the illusion of a bigger stone. Other gemstones are fashioned into emerald cuts, including diamonds.

[Answer] Which is NOT one of the "Four Cs" of gemstone grading?

Step 1 : Introduction to the question "Which is NOT one of the "Four Cs" of gemstone grading?"

...All gemstones, including diamonds, are evaluated by gemologists using the Four Cs method, which grades the stones based on color, cut, clarity, and carat. “Color” refers to the stone’s hue, tone, and saturation, while “cut” is the shape that it has been cut and polished into, which is judged by technique. “Carat weight” is the unit of measurement of gemstones, and “clarity” depends on the type of gemstone, but some are highly valued for their clarity. Any stone that is cut and polished can be classified as a gemstone. Gemstones come from natural sources, especially minerals and rocks, but also from other organic substances, like pearls and amber.

[Answer] What is a synonym for “schema”?

Step 1 : Introduction to the question "What is a synonym for “schema”?"

...1. Plan 2. Contract 3. Invoice 4. Report

[Answer] The 1987 movie "Full Metal Jacket" is set during which war?

Step 1 : Introduction to the question "The 1987 movie "Full Metal Jacket" is set during which war?"

...Full Metal Jacket is a 1987 war film directed by Stanley Kubrick, set against the backdrop of the Vietnam War. The film stands as one of Kubrick’s most iconic works, celebrated for its portrayal of the Vietnam War and the psychological toll it exacts on soldiers. The story follows a group of U.S. Marine recruits through their grueling boot camp, before transitioning to the Vietnam battlefield during the Tet Offensive. The film captures the moral ambiguity and emotional disillusionment that came to symbolize America’s struggle in the Vietnam War.