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Opal is the Australian natural gemstone and is formed from a solution of silicon dioxide and water, it ranges in colors from clear to white, gray, red, orange, yellow, green, blue, magenta, rose, pink, slate, olive, brown, and black. However, it is brittle, heat sensitive, and breaks and scratches easily. They are very common and not at all rare. There are many different kinds of opal and the precious kinds are either black or white.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoSome opal is considered a precious stone, but not particularly rare. The colored gems tend to be brittle.
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Why is opals unlucky?
An opal is a semi-precious gem, it's a stone, it's can't be unlucky.
What does an opal signify?
Enhances your ability to communicate what is in your heartHelps in overcoming those things you do to yourself that are harmfulStrong connection to the sea and creatures of the sea (dolphins, mermaids, etc.)
Why are rubies semi-precious?
Rubies are traditionally classified as "precious", not "semi-precious".
What are some red precious stones?
any stone which is beautiful and rare can be considered precious. Although a stone does not have to be rare to be a precious stone, such as a diamond is by no means rare but is about the most valuable of the precious stones. Others are Rubies, Sapphires and Emeralds. Most other gemstones are semi-precious.
Is sapphire a semi precious stone?
No. Sapphire is a precious stone.
What is a semi precious stone from Australia?
Sapphire and Opal.
How do you spell opal?
That is the correct spelling of "opal" (semi-precious stone, hydrated silica).
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.
Is opals is solid in solid solution?
Opal is a solid mineral.Opals are (semi) precious stones.
Why is opals unlucky?
An opal is a semi-precious gem, it's a stone, it's can't be unlucky.
What is an antonym for the word precious?
Gravel. I don't agree. Precious stones are Jewels: Diamond, Ruby, etc. "Semi-precious" refers to Jade, Opal, Turquoise, etc.
What are all the possible colors of an opal?
Some are colorless others are white, yellow, orange, green, brown, black and blue.
How many opal types are there?
There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.
How many types of opals are there?
There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.
Is Lapis Lazuli a precious or a semi-precious gemstone?
Semi-precious
What does an opal signify?
Enhances your ability to communicate what is in your heartHelps in overcoming those things you do to yourself that are harmfulStrong connection to the sea and creatures of the sea (dolphins, mermaids, etc.)
