![4.2ct Australian black crystal opal, difficult to photograph this beautiful gem, but in direct sunlight it is transformed into a disco ball. For sale in our Etsy Store: GalaxyOpals : Opals 4.2ct Australian black crystal opal, difficult to photograph this beautiful gem, but in direct sunlight it is transformed into a disco ball. For sale in our Etsy Store: GalaxyOpals : Opals](https://i.redd.it/h0id2z3x3u931.jpg)
4.2ct Australian black crystal opal, difficult to photograph this beautiful gem, but in direct sunlight it is transformed into a disco ball. For sale in our Etsy Store: GalaxyOpals : Opals
![Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plu… | Minerals and gemstones, Stones and crystals, Black crystals Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plu… | Minerals and gemstones, Stones and crystals, Black crystals](https://i.pinimg.com/originals/11/ee/a3/11eea358ba38d00ef5080b15ab01dfb3.png)
Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plu… | Minerals and gemstones, Stones and crystals, Black crystals
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Black Crystal Opal ring in 14K Gold. Handmade by Australian Opal Company sold at wholesale price - Picture of Australian Opal Company, Hahndorf - Tripadvisor
![5.10 CTS BLACK CRYSTAL OPAL FROM LIGHTNING RIDGE[BC5 ] | Black crystals, Opal crystal, Black opal stone 5.10 CTS BLACK CRYSTAL OPAL FROM LIGHTNING RIDGE[BC5 ] | Black crystals, Opal crystal, Black opal stone](https://i.pinimg.com/originals/db/3f/88/db3f881fcfc80686b3780c9f3410c051.jpg)
5.10 CTS BLACK CRYSTAL OPAL FROM LIGHTNING RIDGE[BC5 ] | Black crystals, Opal crystal, Black opal stone
![Just Opal | 3 carats Solid Lightning Ridge Australian Black Crystal Opal (14336) | Opals & So Much More Just Opal | 3 carats Solid Lightning Ridge Australian Black Crystal Opal (14336) | Opals & So Much More](https://justopal.com.au/wp-content/uploads/2018/09/14336a.jpg)
Just Opal | 3 carats Solid Lightning Ridge Australian Black Crystal Opal (14336) | Opals & So Much More
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AUSTRALIAN BLACK OPAL Yellow Gold Pendant Natural Black Crystal Opal : The Genuine Article Jewelry | Ruby Lane
![Opal Types: Australian Opals, Black, White, Boulder, Crystal, Doublet | Australian Black Opal, White Opal, Boulder Opal Opal Types: Australian Opals, Black, White, Boulder, Crystal, Doublet | Australian Black Opal, White Opal, Boulder Opal](https://cdn.shopify.com/s/files/1/0534/3353/files/opal-type-tap-banner_2048x.png?v=1571227997)
Opal Types: Australian Opals, Black, White, Boulder, Crystal, Doublet | Australian Black Opal, White Opal, Boulder Opal
![Black Opal is Australia's national gemstone, and black opal is the rarest and most valuable of its kind | Stones and crystals, Gems and minerals, Gemstones Black Opal is Australia's national gemstone, and black opal is the rarest and most valuable of its kind | Stones and crystals, Gems and minerals, Gemstones](https://i.pinimg.com/originals/1c/33/48/1c334829b61d73093b60dd4856d3b1dc.jpg)