Prehnite Natural 8mm Bicone Faceted - 15-16 InchPrehnite 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 translucent to transparent, in colors from light green to yellow green to olive, with occasional inclusions of Black Tourmaline that crisscross the stone in fibrous patterns. It is a phyllosilicate composed of silicon, calcium and aluminum with trace amounts of iron.

Similar to Tiger's Eye

Rose Quartz facial masks have been recovered from Egyptian tombs

where copper contributes to blue tones and iron introduces green variations

” is known for its pink

mata ratón

Moroccan Agate occurs in striking colors of red

Its name is derived from the Greek word for blood

and considered a symbol of eternal life by the Egyptians as well as being a favorite jewel of Cleopatra

is aptly named for its shades of gold

a green-colored mineral

Heliodor is a yellow

the dragon slayer