Prehnite 8x10-9x13mm Side Drilled Pebble - 15-16 Inch hps_08142025 The word "beryl" is derived

The word "beryl" is derived from the Greek beryllos

Weight: grams: 60-90 grams

Trace amounts of iron can also affect the hue

Weight: grams: 90-115 grams

It is found in the Bilk Mountain range near Denio

Prehnite 8x10-9x13mm Side Drilled Pebble - 15-16 Inch hps_08142025 The word "beryl" is derivedPrehnite 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.