Another name for black quartz is "smoky quartz." This variety of quartz has a brown to black coloration, which is caused by natural irradiation of the silicon dioxide. Smoky quartz is often used in jewelry and is believed to have grounding and protective properties in crystal healing practices.
Hmm well not really anonther name as such. if the sand is particulary high in a minerla you could name it thus. In the case of a high silica sand i'd be inclined to call it a quartz sand.
Onyx is another name for the sardonyx gemstone. It is a form of chalcedony quartz that exhibits bands of different colors, typically red and white.
Citrines belong in the quartz family. Citrine is the name for quartz that is yellow, greenish-yellow, brownish-yellow or orange. The name is derived from "citron" which is the name of a yellow fruit.
Quartz occurs in a wide range of colors, including clear, white, pink, purple, yellow, brown, gray, and black. The color of quartz is determined by trace elements or structural defects present in the crystal.
Striped quartz is a type of quartz crystal that features natural stripes or bands of color within the stone. These stripes are often caused by the presence of other minerals or impurities that have been incorporated into the quartz as it formed. Striped quartz can come in a variety of color combinations, such as black and white, blue and white, or red and white.
Another name for quartz is rock crystal.
The black spots in Tibetan quartz are usually carbon inclusions.
You might mean either silica or quartz. Please see the link.
Another name for black soil is "regur soil" or "black cotton soil."
Hmm well not really anonther name as such. if the sand is particulary high in a minerla you could name it thus. In the case of a high silica sand i'd be inclined to call it a quartz sand.
there many colors of quartz some are colorless or crystalyn color , yello and milky white quartz.... and so forth. abundant in the earth crust. but it can also be black
It call Rutilled Quartz, there are two kind of this stone rutilled with gold needle and black needle, the best stone is from Iraq and almost rutilled quartz from there are black needle..... IMHO
Onyx is another name for the sardonyx gemstone. It is a form of chalcedony quartz that exhibits bands of different colors, typically red and white.
The scientific name for quartz is silicon dioxide (SiO2).
Silica
Maybe lechatelierite? Or crystal (as in quartz glass)?
Ebony.