Freshwater Pearl 4x6-9x19mm White Keshi Rice Bead 10mm and forms within a host

and forms within a host rock such as ironstone or sandstone

with a Mohs Hardness of 8

thought to be derived from trace amounts of titanium

can fluoresce (glow under UV light) and exhibit faint natural phosphorescence (afterglow)

Sardonyx is sometimes treated to bring out its reddish tones

Freshwater Pearl 4x6-9x19mm White Keshi Rice Bead 10mm and forms within a hostUnlike most gemstones found within the Earth, pearls are organic. Simply, they grow inside the shells of certain species of oysters and clams. Some pearls form naturally in mollusks either in the sea or freshwater such as rivers. Pearls are known for their natural beauty and timeless charm, often symbolizing purity, wisdom, and integrity. The pearl strands can vary slightly in length and the pearl beads can vary in shape, size, and color. The