Properties
Mineral group: Quartz
Chemistry: SiO2+H2O
Color: Black, white, colourless, red, yellow, bluish
Crystal system: Amorphous
Mohs Scale hardness: 5 to 6.5
Refractive index: 1,37-1,52
Birefringence: Ingen
Specific gravity: 1,98-2,25
Other
Opal is one of the world of gemstones most appreciated gem. Opal is divided into 3 sub-groups; Precious Opal, Fire Opal and Common Opal. By definition Opal is a sub-group to Quarts but with amorph crystal structure. Australien Opal is the most wellknown, but Opal deposits are known from many places. Over the last years Etiopian Opal have been common on gemsmarkets.
Read/learn more about Opal under "gemstoneinformation"
Opal in Healing (Source: ChatGPT)
Opal is a powerful and versatile crystal associated with creativity, emotional healing and spiritual transformation. Its shimmering play of colors reflects its ability to highlight hidden talents, amplify emotions and support personal growth. Each type of opal has unique properties, but common to all is their ability to stimulate intuition and bring joy and inspiration.
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