Angelite Sphere Howlite clay minerals

clay minerals

Onyx is formed in layers if micro-quartz and moganite

or goethite gives the stone a glitter-like appearance

Average measurements: 4

The dark red color is created from inclusions of minerals such as iron oxide or manganese oxide

Angelite Sphere Howlite clay mineralsAngelite sometimes referred to as Blue Anhydrite comes from the Greek word, anhydrous, meaning, without water. That is a reference to the stones unique physical property, as a dehydrated gypsum. The Angelite crystal only develops in areas where gypsum crystals once had contact with water. Over millions of years, the water evaporates, and the gypsum crystals get compressed, resulting in the formation of Angelite. These pieces are polished into the