16-Inch

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light...

Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks. These include annite, phlogopite, siderophyllite, fluorophlogopite, fluorannite, eastonite,...

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...

Heliodor is a yellow, greenish yellow, or golden-yellow color of the mineral beryl. The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal...

Heliodor is a yellow, greenish yellow, or golden-yellow color of the mineral beryl. The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal...

Heliodor is a yellow, greenish yellow, or golden-yellow color of the mineral beryl. The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal...

Heliodor is a yellow, greenish yellow, or golden-yellow color of the mineral beryl. The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light...

Topaz obtains much of its popularity from its beautiful colors and its status as a birthstone. Natural topaz colors include rare and valuable yellow, orange, pink, red, purple, and blue....