Prehnite with Rutilate 4mm Round - 15-16 Inch 4-9mm It is mined in Peru

It is mined in Peru

It is often thought of as an all to black stone

” It is one of the most sought-after minerals among gem and mineral collectors

they come in a rainbow of colors besides red

Turritella Agate is a variety of Chalcedony

Prehnite with Rutilate 4mm Round - 15-16 Inch 4-9mm It is mined in PeruPrehnite 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.