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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Black Moss Opal features dark moss to green dendritic inclusions that branch like tiny tree limbs through the stone, which is milky white, brown and black in color. Unlike other...

Black Moss Opal features dark moss to green dendritic inclusions that branch like tiny tree limbs through the stone, which is milky white, brown and black in color. Unlike other...

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...

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...

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...

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...

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...

Whether you're drawn to it's properties or you are a collector of cool rocks, this Black Opal specimen is a must-have. This is remarkable gemstone will be a perfect addition...

Whether you're drawn to it's properties or you are a collector of cool rocks, this Black Opal specimen is a must-have. This is remarkable gemstone will be a perfect addition...

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...

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...

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...

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...

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...

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 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...

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...

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”...