[DOC] [TLE] Free Flashcards about GEMS & JEWELRY - StudyStack [PAR] THIS OCTOBER BIRTHSTONE OFTEN HAS A WHITE BACKGROUND BUT 
DISPLAYS A RAINBOW OF COLORS IN BRIGHT LIGHT, OPAL. THE FIRST OF... [DOC] [TLE] October Birthstone: Opal. October Birthstone Color is Multi-colored. [PAR] But the opal, the October birthstone, was a talisman of hope and good fortune in 
... that it is a unique gemstone with an almost magical display of rainbow colors. 
... the white opal, has a white, milky base color with a rainbow of pastel shades, ... 
When set in jewelry, opals of many colors are often set against a dark stone like... [DOC] [TLE] October birthstone is Opal - The Jewelry Shop [PAR] Oct 6, 2015 ... In fact, throughout most of history, opal has been regarded as the luckiest and 
most magical ... Opal displays background color in addition to play-of-color. ... 
Opals are often divided into types based on background color. ... If an opal's play-
of-color is not just bright, but also ranges across the entire spectrum,... [DOC] [TLE] Birthstones Archives - Page 2 of 2 - The Jewelry Shop [PAR] Oct 6, 2015 ... Opal is the October birthstone. ... Opal displays background color in addition to 
play-of-color. ... If an opal's play-of-color is not just bright, but also ranges across 
the ... Opals, like other gems, may have inclusions in the form of fractures, ... 
White or light opal: Translucent to semitranslucent, with play-of-color... [DOC] [TLE] Learn - Page 2 of 4 - The Jewelry Shop [PAR] Called hydrogrossular garnet, it has often been used as an affordable jade 
substitute. .... Opal displays background color in addition to play-of-color. ... If an 
opal's play-of-color is not just bright, but also ranges across the entire spectrum, 
... in the 1890s, it quickly became the world's primary source for this October 
birthstone. [DOC] [TLE] The October Birthstones: Opal and Tourmaline - Ritani [PAR] Sep 29, 2016 ... Iridescent opal and colorful tourmaline are the October birthstones. ... Iridescent 
and often with a milky tone, opals have been considered ... Best known for its 
flashing rainbow colors called play-of-color, there are ... Opal can appear in many 
colors, including white, blue, pink, green, yellow, brown and black. [DOC] [TLE] Your Ultimate Guide to Understanding Birthstones and their Meaning [PAR] Nov 12, 2013 ... Have you wondered how birthstones began, why multiple birthstones exist ... 
Quite often jewelry shoppers decide that they want to personalize their ... The 
most recent change to the American birthstone system came in October of 2002 
... appears green, while in incandescent light it has a purplish red color. [DOC] [TLE] Birthstones | Schneider's Jewelers [PAR] Garnet is the name of a group of minerals that comes in a rainbow of colors, from 
the ... Throughout history, the gemstone has been associated with many myths, 
legends, ... Aquamarine is most often light in tone and ranges from greenish blue 
to .... but most consumers are attracted to the bright lime greens and olive greens. [DOC] [TLE] Gemstone Facts - The Silver Lady [PAR] There are also many gemstones that are not true minerals, but which are ... Often 
tiny quartz crystals form within the stone and add to the beauty and .... The 
gemstone Aquamarine is the modern March birthstone. ..... Rainbow moonstone.
jpg ... It has a fine texture and black color; however some onyx also displays 
white... [DOC] [TLE] Opal - Wikipedia [PAR] Opal is a hydrated amorphous form of silica its water content may range from 3 to 
21% by ... Precious opal ranges from clear through white, gray, red, orange, 
yellow, ... An opal triplet is similar to a doublet, but has a third layer, a domed cap 
of .... of Australia and Brazil, with a light background and often vivid play-of-color. [DOC] [TLE] Opal gemstone: History and Properties - Crystal Cure [PAR] In ancient India, opal was

Question: This October birthstone often has a white background but displays a rainbow of colors in bright light
Answer: Opal