E: 01/10 Win a 9K Indonesian Opal & White Sapphire Yellow Gold Pendant

gavrc

From email Newsletter.
Q) Indonesian Opal is a variety of _ _ _ _ _ Opal?
A)

Send your answer to [EMAIL="quiz@rocksandco.com"]quiz@rocksandco.com[/EMAIL] by 1st October 2013. Please remember to put "Rocks Quiz" in the subject field.

gav

toniq

[STRIKE]Gav there is no answer written above, I'm not sure if it is correct to go for Banten Kalimaya opal?[/STRIKE]

x

gavrc

I think it's JELLY. I'm trying to find a definitive source.
The best I have is here.

gav

Far_Side

Could it KOZEL as it comes up on various searches???

Thanks
Far Side

clairecymru

There are many other lesser known sources of opal. Honduras produces a light-colored opal in a dark reddish to black matrix. Prase opal, colored by nickel, is found in Poland. Much of the Indonesian opal material resembles the water or jelly opal found in Mexico.

http://www.attawaygems.com/NMFG/Lets_talk_gemstones_opal_2.htm