Amorphous gems
Published December 28, 2017
Amorphous gems are those minerals or rocks that do not have a regular internal arrangement of atoms, characteristic of crystals. In the Greek language, amorphous means "formless", "not having a crystalline structure". Unlike crystals, amorphous substances do not solidify to form crystalline faces, and possess an isotropy of properties, that is, they do not exhibit differences in properties in different directions...