Thomsonite Specimen, India slabs Some may have a mix

Some may have a mix of calcedony

Hypersthene is a fascinating mineral belonging to the pyroxene group

also known as Bertrandite or Opalized Fluorite

multi-colored patterns within the stone creates a visually stunning effect that collectors greatly value

Note that this stone does have a few natural cracks but is in otherwise great shape

Thomsonite Specimen, India slabs Some may have a mixThomsonite, named after prominent chemist Thomas Thomson, is a well named mineral belonging to the zeolite group. Primarily composed of hydrated calcium silicate, it may have minor amounts of sodium and traces of potassium, but lacks barium, strontium, iron, and magnesium. Structurally, it is similar to sodium calcium zeolite mesolite and sodium zeolite natrolite, but does not form a continuous chemical series with either. It can be found in a range