Barite (Baryte) Barite is a fairly common mineral that may superficially resemble calcite. It is usually found as a colourless mass but may form prismatic or tubular crystals or may be found to form granular aggregates. Barite is found in South Africa, Namibia,...
Prehnite Prehnite can be found in various forms from botroidal, globular, granular and compact but it is seldom found in crystal form. Colour varies from transparent, white, yellow, yellow-green and it has a pearly lustre. Chemical Formular : 2Si3O10(OH)2 Hardness :...
