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Chrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline Chalcedony, its brilliant color comes from the presence of...

Composed mostly of tiger's eye, red jasper and black hematite, Tiger Iron has long been popular with jewelry-makers. The gold, silver, brown and red bands of color allow the stone...

Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South Africa in 1774. Prehnite is...

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally translucent milky white. It is named for...

Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile. These “needles” usually appear golden, but can also appear silver, red, copper, or black and can be...