Prehnite 6x10mm Handcut Faceted Nugget Bead - 15-16 Inch Throat The Madagascar agate has the

The Madagascar agate has the ability to encourage positive thoughts

within the golden tones of brown and yellow ochre of the stone

and forms naturally as a glassy

Afghanite is said to enhance spiritual clarity and insight

Prehnite 6x10mm Handcut Faceted Nugget Bead - 15-16 Inch Throat The Madagascar agate has thePrehnite 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.