16-Inch

Rhodochrosite is a bubblegum pink to rose red stone, with occasional inclusions of creamy white and dark grey. A manganese carbonate material of th...

Rhodonite, whose name is derived from the Greek word for Rose, “rhodon,” is known for its pink, red and magenta hues. A Manganese inosilicate (or c...

Rocky Butte Jasper is mined in Oregon and may have either dendritic or landscape qualities. It may also be called Rocky Butte Picture Jasper. The c...

Rose Quartz is a silicon dioxide crystal and one of the most common varieties of the Quartz family. It is a translucent to transparent stone with a...

Rosewood is a hardwood found in the Phillipines. The soft, blush color is deceptive, this wood variety is so hard that it is often used in heavy co...

Ruby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second-hardest mineral next to diamond . The...

Ruby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second-hardest mineral next to diamond . The...

Ruby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second-hardest mineral next to diamond . The...

Ruby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second-hardest mineral next to diamond . The...

Russian Amazonite is a translucent blue to green to green or light green stone, occurring with inclusions of white, black or yellow. It is named fo...

Sapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red!  They are all varieties of the mineral corundum,...

Sardonyx has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is not Onyx, but rather a dark variety of ...

Selenite is a crystal formed from the mineral gypsum, which comes in many forms and color variations, but has been used historically to describe th...

Shattuckite is a rare copper silicate hydroxide mineral. It occurs in bright turquoise blues and darker blues as well as rust reds, commonly with i...

Shungite is a black, lustrous, non-crystalline mineraloid consisting of a high percentage of carbon. It was first found in a deposit near Shunga vi...

Phantom Quartz form over pre to existing crystals. The boundaries of the included crystals are visible and are known as “phantoms.” Phantom Quartz ...

Sodalite is named for its sodium content and may be classified as a feldspathoid. Blue Sodalite is sometimes referred to as “poor man’s lapis” beca...

Strawberry Quartz is a translucent, milky to pink silicon dioxide mineral. Its needle to like inclusions of hematite are iridescent red. Quartz has...

Sunset Dumortierite has a much brighter palette than regular Dumortierite, from light blue to lapis blue to cobalt, as well as some occurrences of ...

Tektite is a natural glass formed by meteorite collisions with Earth. When moving through the Earth’s atmosphere, a meteorite builds up heat that i...

Tektite is a natural glass formed by meteorite collisions with Earth. When moving through the Earth’s atmosphere, a meteorite builds up heat that i...

Terahertz is a spectacular man made ore. It shines and sparkles like a diamond making it an exceptional addition to any jewelry piece. It has treme...

Terahertz is a spectacular man made ore. It shines and sparkles like a diamond making it an exceptional addition to any jewelry piece. It has treme...

Terahertz is an ore that is made from extracting silica from sand. It is a newly discovered stone, only found a decade ago! It is a rare, man-made ...