This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hardness for the stone to be cut. The name “Fire Opal”...

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hardness for the stone to be cut. The name “Fire Opal”...

African Green Opal is a form of Common Opal, an opaque stone that does not display the play of color seen in more precious Opals. It does have the distinctive...

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hardness for the stone to be cut. The name “Fire Opal”...

Pink Opal is a variety of non-precious opal, meaning that it has lustre and some translucency without the fire or color play associated with precious opal varieties. Pink Opal naturally...

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with precious opal varieties. Pink...

White African Opal is a white to cream to light tan stone with veining of black or gray. Like all Opals, it is a form of hydrated amorphous silica, however...

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hardness for the stone to be cut. The name “Fire Opal”...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during...

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hardness for the stone to be cut. The name “Fire Opal”...

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed, which provides sufficient hardness for the stone to be cut. The name “Fire Opal”...

Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is mined under extremely harsh conditions...

Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and forms within a host rock such...

White African Opal is a white to cream to light tan stone with veining of black or gray. Like all Opals, it is a form of hydrated amorphous silica, however...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

Fire Opal is a transparent or translucent stone named for the vivid red, orange and yellow colors in which it occurs. The most precious Fire Opal has flashes of iridescence...

African Green Opal is a form of Common Opal, an opaque stone that does not display the play of color seen in more precious Opals. It does have the distinctive...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during...

Blue Peruvian Opal naturally occurs with swirling patterns of deep blues, blue to greens and greens swirled with yellow to green, rust, brown and orange. It is highly prized for...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

Ethiopian Opal was first discovered in Ethiopia in 1994, with additional major finds in 2008 and 2013. Beautiful specimens of Precious Opal, Fire Opal and Black Opal with spectacular play...

African Green Opal is a form of Common Opal, an opaque stone that does not display the play of color seen in more precious Opals. It does have the distinctive...

Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is mined under extremely harsh conditions...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

African Green Opal is a form of Common Opal, an opaque stone that does not display the play of color seen in more precious Opals. It does have the distinctive...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is mined under extremely harsh conditions...

Pink Opal is a variety of non to precious opal, meaning that it has lustre and some translucency without the fire or color play associated with precious opal varieties. Pink...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

Australian Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is mined under extremely harsh conditions...

Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and forms within a host rock such...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

Yellow Opal is transparent to opaque, milky white to pale yellow in color. It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the...

African Green Opal is a form of Common Opal, an opaque stone that does not display the play of color seen in more precious Opals. It does have the distinctive...

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite. Common Opal is generally opaque, without the play of color present in more...

Dakota Stones Australian Opals are back. We have been working with a father/ son team out of Australia for many years that assist us to bring you some of the...

Australian Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is mined under extremely harsh conditions...