An alexandrite can scratch tin. talc, Asbestos, Biotite, Galena/Lead, Graphite, Gypsum, Halite/Salt, Lepidolite, Muscovite, Sulfur, Zinc, Calcite, Chalcopyrite, Copper, Gold, Silver, Nickel, Platinum, Sphalerite, Titanium, Turquoise , Hematite, Magnetite, Opal, Pyrite, Uraninite, Amethyst, Aquamarine, Garnet, Olivine/Peridot, and Quartz.
X- Aim D.
Well it's kinda easy 'cos there are hardly any rocks that are purple other than amethyst. Firstly amethyst is violet, secondly it's usually transparent and sometimes has white parts, and lastly amethyst occurs in a hexagonal prism naturally. Oh, and you wouldn't find a polished amethyst crystal on the ground, trust me.
Amethyst
Amethyst is a mineral, a form of quartz.
Amethyst is 7.0 on the Mohs hardness scale; it is fairly hard. Amethyst is a member of the quartz family. Most citrine on the market is reported to be heat-treated amethyst.
Amethyst is the birthstone for the month of February.
Well it's kinda easy 'cos there are hardly any rocks that are purple other than amethyst. Firstly amethyst is violet, secondly it's usually transparent and sometimes has white parts, and lastly amethyst occurs in a hexagonal prism naturally. Oh, and you wouldn't find a polished amethyst crystal on the ground, trust me.
the kannada word for amethyst is padmaraga
No, amethyst is not a nonmetal. Amethyst is a variety of quartz, which is a mineral and not classified as a metal or nonmetal.
amethyst
Amethyst
Amethyst is cukantiyum in Tamil.
yes, it is. amethyst is a purple type of quartz.
The birthstone of February is the amethyst.
Amethyst
Amethyst is quartz that contains an impurity that imparts the purple color. The impurity in amethyst is iron.
Amethyst is a violet form of quartz.
Amethyst is a mineral, a form of quartz.