[Answer] 2. Rock crystal is a clear transparent variety of which common mineral?

Step 1 : Introduction to the question "2. Rock crystal is a clear transparent variety of which common mineral?"

...1. Quartz 2. Garnet 3. Feldspar 4. Olivine Quartz occurs in all the three types of rocks - igneous, sedimentary and metamorphic. With a hardness of 7 on the Mohs scale, the mineral is quite resistant to weathering and hence commonly found in sedimentary deposits. Traces of different elements produce different varieties of quartz which are categorized based on their colour. Another variety of quartz which would've fit the theme of this quiz is rose quartz - a pink variety whose colour is generally attributed to small amounts of titanium or manganese found in the mineral. Corporal Slag favours the purple variety better known as the gem stone, amethyst.

[Answer] 8. Someone who is anemic is usually deficient in what mineral?

Step 1 : Introduction to the question "8. Someone who is anemic is usually deficient in what mineral?"

...1. magnesium 2. iron 3. zinc 4. copper

[Answer] 5. This mineral is one of the most important in history. It is commonly found in homes. The chemical name for it is sodium chloride. What is it?

Step 1 : Introduction to the question "5. This mineral is one of the most important in history. It is commonly found in homes. The chemical name for it is sodium chloride. What is it?"

...1. baking soda 2. sugar 3. pumice 4. salt The importance of salt cannot be overstated. It has been used as money, had wars fought over it, is an object of ettiquette in many cultures and has religeous significance. Here are some highlights: In ancient Greece, salt was used in exchange for slaves. This is where the expression "not worth his salt" originated. The Romans built many salt works and salt rations were given to their soldiers. The Latin phrase "salarium argentum" is the forerunner of the word "salary". There are more than thirty references to salt in the Bible. Some religions use salt on their alters to represent purity. India has a rich history of salt. One of the castes was that of the "salt-diggers". In modern times, Mahatma Ghandi defied the British salt laws as a means to popularize self rule. It was a protest against the British salt starvation policy. One of the British strategies during the American Revolution was to deny the rebels access to salt. In 1777, British Lord Howe celebrated when he captured General Washington's salt supply. Saltville, Virginia was the site of the Confederacy's last important salt processing plant. The Union and Confederate forces fought a 36 hour battle over it. Thousands of Napoleon's troops died during the retreat from Moscow because their injuries would not heal due to a lack of salt in their diet. The Chinese created a governmental salt monopoly and heavily taxed it. They used it in medicines as well as the the culinary arts. In Russia, salt taxes were an important revenue source for the Czars. The Siberian salt mines are famous for punishment and forced labor.

[Answer] Zak from Ghost Adventures visits the Baker Hotel in Mineral Wells, Texas. The hotel founder built the hotel on top of mineral springs, hoping to attract ailing people to stay and drink the medicinal water. Why did the hotel eventually go out of business?

Step 1 : Introduction to the question " Zak from Ghost Adventures visits the Baker Hotel in Mineral Wells, Texas. The hotel founder built the hotel on top of mineral springs, hoping to attract ailing people to stay and drink the medicinal water. Why did the hotel eventually go out of business? "

...1. A less-expensive hotel opened next door. 2. The proprietor went insane from the mercury in the water. 3. Supermarket bottled water became a nationwide craze. 4. The FDA wouldn't confirm the health benefits of the water.

[Answer] 9. At number 10, which mineral was long believed to be the hardest on Earth?

Step 1 : Introduction to the question "9. At number 10, which mineral was long believed to be the hardest on Earth?"

...1. Rubidite 2. Corundum 3. Diamond 4. Laitile Diamond is frequently quoted as the hardest mineral found, but later discoveries have rendered this incorrect - although diamond is still the hardest relatively common mineral and remains the hardest on the Mohs scale.

[Answer] 2. "I know what I am." "Animal, vegetable or mineral?" This is the start to a game we used to play on long car rides. What was it called?

Step 1 : Introduction to the question "2. "I know what I am." "Animal, vegetable or mineral?" This is the start to a game we used to play on long car rides. What was it called?"

...1. Twenty countries 2. Twenty to none 3. Twenty letters 4. Twenty questions In the game of 20 questions, one person selects a target object, and the other players can ask up to 20 yes-no questions to determine what the object is. Usually a few precise starting questions are asked first, such as "Animal, vegetable or mineral?" (or "Animal, thing or person?") and "What color or colors are you?", in order to create a realistic goal. Mathematical game strategy says that each question should be designed to eliminate half of the remaining possibilities, as 20 such questions would lead to a single one out of over a million starting possibilities being identified. But it takes a while to develop such restraint, and not just guess hunches!