Light Blue Opal Value

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Light blue opal value.

Light blue opal 2mm helix earring gold beaded cartilage hoop silver helix piercing october s birthstone 24g 22g 20g jewelry gift helencollectionjewel. Common opal this type of opal is usually milky in appearance and has no play of colours. At about this point the price escalates when compared with boulder and crystal or white opal. Its mystical brightness gives it an air of elegance that is hypnotizing for those who approach this stone.

The blue opal is a delicate gem of great beauty and ornamental value. This is because the hydrated silica spheres. 4 5 out of 5 stars 46 46 reviews 15 20. Blue opals that are bright and very dark to black can reach much higher prices.

When light hits the opal and deflects off the spaces between the spheres inside the opal the play of colours is produced. The base color of an opal is determined by looking directly at the top of the stone. Blue and violet are more common while red is scarcer and therefore more valuable. Density and intensity of color is also important to determine the price.

As the blue turns to blue green or green blue with a very dark or black background the stone can then sell up to around 250 per carat. Only 2 available and it s in 7 people s carts. Base colors sometimes called background colors include black semi black crystal semi crystal white gray blue orange brown boulder black and boulder brown. Base color is one of the four primary characteristics that determine an opal s value.

The thickness of the color bar can help to amplify the brilliance of the opal color. Light blue opal twist toe ring adjustable toe ring 925 sterling silver toe ring dainty toe ring october birthstone minimalist toe ring lunaandlilly. Also electric blue opals are more valuable as the hidden color bar makes the opal brighter than the normal blue. Its water content may range from 3 to 21 by weight but is usually between 6 and 10.

Above black opal semi black opal boulder opal crystal opal white opal the play of colour the phenomenon known as the play of colour is the brilliant range of the full spectrum of colours caused by the diffraction of white light by the internal structure of orderly arrayed spheres of silica. Opal is a hydrated amorphous form of silica sio 2 nh 2 o. The blue opal is a mineral with a composition similar to that of quartz but with water molecules inside.