No. there is only smoky quartz
Quartz is not the brand name, it's uses the quartz to keep time accurately. I have the same watch I think that you do
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.
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.
Quartz
feldspar
The black spots in Tibetan quartz are usually carbon inclusions.
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
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
You might mean either silica or quartz. Please see the link.
Maybe lechatelierite? Or crystal (as in quartz glass)?
Silica
Peridot quartz is just the color possibly. Peridot is actually a semi precious stone. Cabochon is a type of cut. As for the Peridot Quartz.....I am not sure if it is actual peridot or a another name game to sell lab-created crap.
The Smoky Quartz gemstone is the brown and ‘smoky’ variety of Quartz ranging from light grayish-brown to deep black in color and believed to possess properties of optimism, strength, and stability. Source : Gempro Gems
No. there is only smoky quartz
Ebony.
The scientific name for quartz crystal is silicon dioxide (SiO2).