Pure colorless transparent crystal quartz variants

Pure colorless transparent crystal quartz variants. Glow in the dark tape containing Si-46.7%, O-53.3%. Due to the presence of different physical or mechanical mixing and showed mixed colors. Purple and green is made of iron (Fe2 +) ion-induced color , purple also be titanium (Ti4 +) caused due to other color from the color center color . In the crystal containing sand-like , fragmented goethite , hematite, rutile , magnetite , garnet, photoluminescent sheet; hair crystal containing visible in the hair -like needle- like mineral inclusions formation. Manganese and iron are called amethyst ; iron by ( golden yellow or lemon ) called citrine ; manganese and titanium were pink rose quartz who said ; smoked who said smoky quartz ; Brown who said citrine ; black transparent who called smoky quartz ; pale green are known as chalcedony .