1. Names for microcrystalline quartz gemstones include jasper, agate, chalcedony, and chrysoprase. In fact, only one of the following is not a member of the family. Which? bloodstone onyx carnelian amethyst

2. What color is sard? red with white stripes bluish-green blue to blue-violet yellowish brown to deep brown

3. True or false: moss agate contains fossilized remnants of stems or leaves, as well as moss. True False

4. What is the color of gem-quality chrysoprase? greenish yellow deep forest green bright green teal green

5. What type of carving on an agate would be suitable if the owner wanted a signet to stamp on her sealing wax? habille intaglio cameo geometric

6. Yes or no: are such treatments as heating and dyeing agates considered fraudulent? Yes No

7. Quartz minerals can replace organic matter, resulting in such fossils as petrified wood and ammonites. I'm looking at a colorful cabochon cut from a coprolite. A what?! fossil with a natural blue-green color from copper minerals fossilized animal droppings type of root replaced by opal type of ancient tree sap

8. Chalcedony is translucent with minimal layering of color. Some colors are prized and used in expensive jewelry. True False

9. The agate appears in older birthstone lists as one of the stones for which month? Answer: (Name of month)

10. The prophet Muhammad wore a silver ring engraved with a prayer honoring God. What stone bore this engraving? black-and-white banded onyx bloodstone carnelian white chalcedony

11. A widely-held ancient and medieval belief about green jasper is: It's lucky for hunters who need to remain unseen by their prey. It's lucky for farmers because it prevents drought. It's lucky for navigators, because a needle placed on it points north. It's lucky for lovers, because green symbolizes spring and joy.

12. Minerals used by Native Americans to craft arrowheads include flint, quartz crystal, and banded agate. True False

13. I'm looking at a really elaborate cameo, probably carved in the 19th century. Distinct layers of white, red, and black have been used to detail the portrait and clothing. What is this type of stone called? banded agate carnelian triple onyx sardonyx

14. If you are offered a piece of Victorian "Scotch pebble" jewelry in an antique store, it will probably be made of silver set with agate. True False

15. Reasons for the continuous popularity of the agate gems include which of these? commonly found in most areas so most people can see and appreciate it unique color and patterning; something to appeal to every taste affordable; with few exceptions, is not extremely costly all of these