Australian Green Opal Light Green 10mm Round A Grade - 15-16 Inch - CLEARANCE Certainty who performed early research into

who performed early research into the many optical properties of mica

Its proper name is Artocarpus heterophyllus

making it the hardest silicate mineral

made up of of smaller crystals

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black

Australian Green Opal Light Green 10mm Round A Grade - 15-16 Inch - CLEARANCE Certainty who performed early research intoAustralian 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 precious varieties, however it does exhibit a lustrous sheen referred to as opalescence. Green Opals are believed to provide energy and speed recovery from illness, exhaustion and mental angst.