Opal

Opals are a form of hydrated silicon dioxide, formed by a combination of water and silica. In fact, opal stones consist of 3-10% water. Their unique properties are due to the way the microscopic silica spheres are composed in the stone. The composition creates the remarkable play of colors that characterizes opals. Opals are found in different parts of the world, but Australia is the largest source, supplying over 90% of the world's finest opals. The stone is considered to be Australia's national stone.

There are countless opal variations, but the most common types are black opal, white opal, crystal opal, boulder opal, and matrix opal.The play of colors in opals varies from shades of red, blue, green, orange, and yellow, and some opals present a variety of colors that change depending on the angle , they are considered from.

Opal stones are known for their symbolism and significance in various cultures. They are considered the stone of inspiration and creativity and are believed to promote self-confidence and freedom of expression. Historically, opal was also believed to protect against evil and bring happiness, health and prosperity to the wearer.

To preserve the beauty and longevity of opal jewelry, it is important to take certain precautions. Avoid sudden changes in temperature, as opal tends to dry out. This can cause cracks in the stone and spoil its beautiful appearance. In addition, avoid contact with chemicals found in perfume, hairspray, cream, etc. Store opal jewelry in a dry, cool and dark place when not in use, and clean them gently with a soft cloth as needed.

Opalstenens værdi og kvalitet bestemmes af en kombination af faktorer, herunder farve, farvespil, mønster, klarhed, karatvægt og sjældenhed. Stærke og levende farver er mere værdsatte, især sort opal, som er sjælden og har et intenst farvespil. Farvespil refererer til mønstre og farver, der opstår, når opalen bevæges eller belyses, og et komplekst farvespil øger værdien. Unikke mønstre som"harlekin" er særligt eftertragtede. Derudover er klarhed en vigtig faktor for opaler, og det samme er størrelsen af stenen målt i karat. Begge faktorer har en betydelig indvirkning på værdien af en opal stenens værdi. Sjældne opaltyper som sort opal og høj kvalitets boulder opal er mere værdifulde på grund af deres sjældenhed.