OPAL
'Opal' The Gemstone of Love and Hop
Polish
Rough
THE FACTS OF OPAL
CHEMICAL COMPOSITION
SiO2 nH2O![]()
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MOHS HARDNESS
5.5 - 6.5![]()
MINERAL
Hydrated Silica![]()
BELIEF & BIRTHSTONE
- Opal represent October birthdays -
The ancient Greeks believed opals gave their owners the gift of prophecy and guarded them from disease. Europeans have long considered the gem a symbol of hope, purity, and truth. Opal is considered an October birthstone. Some people think it's unlucky for anyone born in another month to wear an opal.
QUALITY FACTORS
Color
Colorless, white, yellow, red, orange, green, brown, black, blue, pink
Green and Dark Blue opal are rare to find.
Clarity
With an opal, clarity is its degree of transparency and freedom from inclusions. An opal's clarity can range all the way from completely transparent to opaque.
Cut
The most popular is cabochon shape.
