Science & Origin of Black Tourmaline Black Tourmaline: Also known as Schorl. It is a silicate mineral containing boron and a member of the Tourmaline... Continue reading
Science & Origin of Black Opal Black Opal: A variety of Common Opal. It is usually opaque. This variety is most commonly found in mass... Continue reading
Science & Origin of Black Moonstone Black Moonstone: A variety of Moonstone. It was recently discovered in Madagascar. It can be seen containing white, grey,... Continue reading
Science & Origin of Black Mica Black Mica: Phyllosilicate mineral. It is also known as Biotite and is within the mica family. It typically forms... Continue reading
Science & Origin of Black Kyanite Black Kyanite: An Aluminum-Rich Silicate Mineral. It forms in pegmatites at extremely high pressure. It crystallizes in the form... Continue reading
Science & Origin of Black Jade Black Jade: A rare type of Jade. It is formed with other dark mineral inclusions. This stone crystallizes in... Continue reading
Science & Origin of Black Banded Onyx Black Banded Onyx: A variety of Chalcedony. It crystallizes in massive formations. The color is usually black with... Continue reading
Science & Origin of Bauxite Bauxite: An Aluminium and iron oxide sedimentary rock. It crystallizes in mass formations. It is formed through the weathering of... Continue reading
Science & Origin of Barite Barite: A Barium Sulfate Mineral. It crystallizes in the form of masses, tabular crystals, and even rarely, stalactites. This mineral... Continue reading
Science & Origin of Azurite Azurite: A Copper carbonate mineral. It forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is... Continue reading