Prehnite 4mm Faceted Bicone - 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.

Distinctive for its purple-and-gray tones

and an Amazonite ring was found among the treasures in King Tutankhamun’s tomb

malachite and a variety of iron oxide minerals

Hackmanite is the light pink to pale violet variety of sodalite

this stone

Discovered in 1910 on the west coast of Tasmania

Garnet has been used for adornment and spirituality by myriad cultures and civilizations throughout history

and gives a silvery green or blue sheen

These flecks glitter as they catch the light and may appear white against the dark blue of the glass

Sold 3 pairs per pack

start with the gauge in a closed position

the colors are naturally occurring