Prehnite Faceted Top Drilled Marquise measure approximately 10x5x3mm to 21x10x5mm in size, exhibit a glass like luster, the stones have a good make, a fairly symmetrical shape, are matched on strand for quality, shows internal needles or feathering within several stones, gems are a light greenish yellow hue, and the transparent Prehnite reflect light to create a soft glow within the stone.