[DOC] [TLE] Ask Me A Trivia Question -- 2 --  Topix [PAR] When they've grown attached to an oyster or mussel shell, these gems are called 
blisters. pearl. Report Abuse. 0. 0. Reply. Subtle Signs. May 3, 2011. [DOC] [TLE] Pearls Birthstones | June Birthstone | Pearl Gemstone [PAR] Interesting facts & informations about the Queen of Gems, the Pearls. ... extremely 
rare, they occur throughout the world, wherever oysters or mussels are found, ... 
iridescent luster is produced when light is reflected from these overlapping layers
. ... A pearl which grow attached to the inside of the shell is called blister pearls. [DOC] [TLE] Pearl - Facts, Lore, History, Myths and Pictures [PAR] Light that is reflected from these overlapping layers produces a characteristic 
iridescent luster. ... They have a shimmering iridescence which is called orient 
luster. The principal oyster beds lay in the Persian Gulf, along the coasts of India 
and Sri Lanka, ... blister pearls (pearls which grow attached to the inside of the 
shell), [DOC] [TLE] Shell & Pearl  EspyJewelry [PAR] Information on a variety of shell used in jewelry, including abalone, blister ... 
Cultured pearls grow around a nucleus that is manually inserted into an oyster or 
mussel. ... the oyster, where the pearl develops as a "blister" attached to the inner 
shell. ... of colors on their brilliant nacre, hence they are also called Rainbow 
Pearls. [DOC] [TLE] Pearls - KRYSTALLINE GEMS [PAR] Freshwater pearls are found in mussels or oysters in rivers, lakes or ponds and 
tend ... to 9 mm, these are saltwater pearls from the Akoya oyster, which is usually 
cultured. Even though they are often called Japanese pearls, they can also be 
found ... pearls that grow attached to the inner surface of the oyster or mussel 
shell. [DOC] [TLE] Pearl - Wikipedia [PAR] A pearl is a hard object produced within the soft tissue (specifically the mantle) of 
a living shelled mollusk. Just like the shell of a clam, a pearl is composed of 
calcium carbonate in ... These wild pearls are referred to as natural pearls. 
Cultured or farmed pearls from pearl oysters and freshwater mussels make up 
the majority... [DOC] [TLE] PEARL main - The Department of Geological Sciences [PAR] Pearls are formed in molluskan bivalves (clams, oysters, mussels) of several 
species ... Nacre is composed of an organic, horn-like compound called 
conchiolin, and ... secrete a nacreous coating that has the attractive pearly luster 
of gem pearl. ... shell lining, resulting in a pearl that was attached to the shell (a 
blister pearl). [DOC] [TLE] Chemistry - Ray Sahelian, M.D. [PAR] Carbon dioxide cause global warning, It's what gives soda pop the bubbles, ... 
Chlorofluorocarbons in 1978 the U.S. banned use of these, called CFCs for short, 
..... When they've grown attached to an oyster or mussel shell, these gems are... [DOC] [TLE] Pearls Info - RealGems.org [PAR] They have also been crushed for use in cosmetics or in paint formulations. ... 
enter a bivalve mollusk when its shell valves are open for feeding or respiration. 
... living pearl oysters, and make an incision in the mussel's body, called "
nucleation", .... Blister pearls are natural or cultured, flattened, irregular pearls 
with attached... [DOC] [TLE] June-Pearl - Cochise College P [PAR] They have a shimmering iridescence which is called orient luster. ... An organic 
gem, pearls are formed inside mollusks such as oysters and mussels. ... Light that 
is reflected from these overlapping layers produces a characteristic iridescent 
luster. ... pearl from Lake Biwa, Japan),; blister pearls (grown attached to the shell
),... [DOC] [TLE] All About Jewels Glossary: P - Enchanted Learning [PAR] These pearls (like all black pearls) are produced by the oyster Pinctada 
margaritifera. ... Pearls are organic gems grown within oysters and a few other 
mollusks. ... large, naturally produced, and have a shimmering iridescence (
called orient luster). ... mussel, Hyriopsis schlegeli), blister pearls (grown

Question: When they've grown attached to an oyster or mussel shell, these gems are called blisters
Answer: pearls