Prehnite 13mm Faceted Clover - 15-16 Inch Stone Type_Botswana Agate often symbolizing purity

often symbolizing purity

"Devil Aquamarine" (or "Devil Blue Aquamarine") is a market term for natural aquamarine characterized by deep blue

The Madagascar agate has the ability to encourage positive thoughts

When this combination crystallized

Topaz occurs in a wide range of natural colors

Prehnite 13mm Faceted Clover - 15-16 Inch Stone Type_Botswana Agate often symbolizing purityPrehnite 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.