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Meet Marietta,
A Sugar-Free Vintage-Style Andamooka Ring
The Stone: Andamooka White Matrix Opal, solid
- origin: Andamooka, Australia
- 3.20 carats
- brightness of color: 2 of 5
- white matrix
- completely untreated
The Setting: Vintage-Style 4 Prong Solitaire Ring
- 14kt white gold, solid
- North-South stone orientation
- 2.5mm band width
- stone measurements: 13mm x 8.6mm x 5mm
- default size: 6
More About Marietta:
Highly unusual to find natural, untreated Andamooka opal. Most Andamooka material is blackened with sugar and acid to enhance color. The soft, iridescent pattern resembles butterfly wing.
About Opal:
While many believe opal to come only in a traditional white hue, this common misconception cannot be more inaccurate. With over 200 varieties of natural opal discovered so far, the historically referred "Queen of Gems" can come in a wide variety of colors- before the stone's famous "play of color" rainbow effect is even taken into consideration. Over 90% of the world's opal is produced in Australia with other well-known deposits located in Mexico, Ethiopia, Brazil, and the United States.
Chemically, opal is an integrated combination of water and silica. Water content in opal can range from 3% to 21% by weight, with average jewelry material ranging between 6% and 10%. Because of this, it is advised to store your opal jewelry with care; safes and bank vaults can be notoriously dry. We suggest storing opal in an airtight container along with a piece of water-moistened cotton when dry storage conditions are anticipated. Some varieties are more resilient to harsh conditions than others. It is safe to clean solid opal jewelry with warm water, mild soap, and a soft-bristled toothbrush. Avoid chemicals, harsh abrasives, and ultrasonic cleaners.