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What is the Gem emblem of South Australia?
The gem emblem of South Australia is the opal. The opal was adopted as the state gem on 15 August 1985. Eighty percent of the world's opals come from just three opal mining areas in South Australia.
What gem is not a mineral?
Opal and amber are not minerals.
What is an Asstralian gem called?
It is called the opal.
What is Australia's national gem stone?
Opal
What is a mineral gem?
Opal and amber are not minerals.
Is a opal a gem?
An opal is considered to be a semi-precious stone. It is a naturally occurring glass.
Is an opal a gem?
An opal is considered to be a semi-precious stone. It is a naturally occurring glass.
What is opal wanted for?
If the opal has fire, play of color, it is used for jewelry. Very little gem quality opal is imported by the USA. Most of it goes to Asia. The white opal you are used to seeing in the stores is not considered gem quality in the trade. Gem quality opal can cost thousands of dollars a carat. Opal can be man made. It is produced for research to see if it can be more efficient in transmitting light than optic cable.
What gem or mineral that is not an opal starts with o?
Orthoclase
What is the gem of Nevada?
Virgin Valley black fire opal
A round precious gem usually white in colour?
opal
What is a 4 letter milky gem?
Most likely Opal
