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Keshi Pearl Quiz

What is the best way to clean keshi pearls? Do you know the answer? Jewelers can clean your pearls for you buy using a specialized pearl cleaning solution, or you can purchase the solution yourself. Here are some do's and dont's Don't clean pearls using any cleaners made especially for gold or silver . These products may contain chemicals which may damage the pearl nacre. Also don't use the ultrasonic cleaners, as vibrations may cause the pearls to rub together.

1. What does "Keshi" mean in Japanese?
		A. Rice
		B. Sand
		C. Poppy Sead
		D. Oyster
		E. Flat
2. Who was the fist person to nucleate oysters?
		A. John Wallace
		B. Kokichi Mikimoto
		C. Kiro Matsumoto
		D. Thomas Alva Edison
		E. None of the Above
3. Where do Japanese Akoya Keshi come from?
		A. Lake Bewa
		B. Sea of Okhotsk
		C. Sea of Japan
		D. Fujigoko
		E. None of the Above
4. By definition, keshi are
		A. Saltwater pearls only
		B. Freswater pearls only
		C. Both freshwater and saltwater
		D. Neither freshwater or saltwater
		E. None of the above
5. Japanese Akoya keshi are
		A. Nucleated pearls
		B. Beaded pearls
		C. Non nucleated pearls
		D. Non natural pearls
		E. None of the above
6. The cultavation of pearls began in
		A. The early 1900's
		B. The late 1800's
		C. The mid 1950's
		D. Mid 1970's
		E. None of the above
7. Pearl is the official birthstone of the month of
		A. March
		B. September
		C. October
		D. June
		E. December
8. Pearls range between _______ on the Mohs scale of hardness.
		A. 1.5 and 3.5
		B. 2.5 and 4.5
		C. 3.5 and 6.5
		D. 4.5 and 6.5
		E. 6.5 and 7.5
9. Pearl Exporting drills keshi from
		A. 1.0 mm and up
		B. 0.8 mm and up
		C. 0.6 mm and up
		D. 0.4 mm and up
		E. All of the above
10. A componate of keshi pearls are
		A. Calcium carbonate
		B. Calcium bi-carbonate
		C. Calcium cloride
		D. Calcium floride
		E. None of the above

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