Thomsonite Specimen, India Onyx with Quartz Hyalite Opal

Hyalite Opal

Indulge in the luxurious beauty of our carefully crafted Banded Calcite Tray from Afghanistan

Brucite is a naturally occurring mineral with the chemical formula Mg(OH)2

This one-of-a-kind piece is an eye-catching addition to any decor

Overall this specimen in very good shape with very minor damage

Thomsonite Specimen, India Onyx with Quartz Hyalite OpalThomsonite, 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