Prehnite gemstone (Calcium Aluminum Silicate Hydroxide) has a hardness ratio of 6 and its composition tag is (CA2Al2SI3O10(OH)2).
Prehnite is ideal to carve or to make Natural Prehnite gemstone beads. Prehnite is also known as “Grape Jade”
Natural Prehnite is mined Australia, Canada, China, Germany, India, Namibia, Scotland, South Africa, USA. Prehnite gemstone has been confused with Peridot or jade as similar characteristics of pale green or greenish yellow colours.
Prehnite gemstones set in jewelry from Prehnite earrings and matching Prehnite pendants and Prehnite rings are strong and do not scratch easily. Gemstone dealers supply gemstone shops worldwide with Prehnite beads to loose Prehnite gemstone parcels and Prehnite is ideal for gemstone factories to carve animal shapes or flower shapes