Opals

Fire opal:)

Yes, very Real and original

opal is one of them but i dont know the other one

Opal is a dynamic character, because at the beginning of the story her favorite marble was just a nice simple marble to her but when she couldn't afford the baroque pearl, she wanted to think of her favorite marble as one of her own baroque pearl.

its not opal if that is what you are thinking that is seppose to bring disaster.

A price of a real opal necklace can vary, depending on the size of the necklace and where one would purchase it. Some opal necklaces can be purchased for $100, where others can cost in the thousands! The average price would have to be around a couple hundred dollars.

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.

The black opal is the rarest of all opals. It is only found in Australia. About 97 percent of all opals in the world are mined in Australia.

Gilson

in18th centry

There are four towns in South Australia known for their opals - Coober Pedy, Mintabie, Stuart Creek and Andamooka. The one which is probably most famous is Coober Pedy.

Three different types of Opal are found in Australia:

Fire Opals are mined in South Australia near Coober Pedy.

Black Opals are mined in New South Wales near Lightning Ridge.

Boulder Opals are mined in the western Queensland.

Minerals containing mercury are solid salts of the metal (e.g. cinnabar, corderoite, livingstonite, vermilion, calomel). The liquid metal must be extracted from these ores by smelting, as it does not exist in the metallic form naturally.

The opal is considered a water stone. Its main symbolic meaning is inspiration, especially inspiration as it applies to being creative. It is also said that the opal can reduce confusion and improve your memory.

The Olympic Australis Opal is believed to be the largest gem opal ever found. Found in 1956 at the "Eight Mile" opal field in Coober Pedy, South Australia, it was found at a depth of 30 feet and so named because the Olympic Games were being held in Melbourne at the time. The Olympic Australis consists of 99% gem opal, with the remainder of 1% being the soil still attached to the stone. It weighs 17,000 carats (3450 grams) and is 280 mm long (11 inches) by 120 mm, by 115 mm. It was valued at AUD$2,500,000 in 2005.

Opal is a amorphous mineraloid composed of hydrated silica. It is known for its unique play-of-color, which is caused by the diffraction of light by silica spheres within the stone. Opal is relatively soft, with a hardness of about 5.5-6.5 on the Mohs scale, making it susceptible to scratching and chipping.

Opal is commonly used in jewelry as gemstones due to their unique play-of-color. They are also used in metaphysical practices for emotional healing and enhancing creativity. In industry, opals are used as abrasives and in scientific instruments for their optical properties.

Yes, it is very rare!

It is necessary to pre-plan to cut a sweater without unraveling. The easiest method is to draw a chalk line where the cut will be, and create a line of stitching along the chalk line to prevent the unraveling

Opal has a hardness of 5.5 to 6.5 on Mohs Scale

Opals are actually not minerals, but are classed as mineraloids. This is because they lack a crystalline structure, yet are mineral in nature.