No. Opal is an amorphous hydrated form of silica.
No. Peridot is olivine.
Chrysolite (peridot), Lapis Lazuli, Opal, Sapphire, and Agate.
The birth stone of the month of October is opal. So if your birthday is on October 9th, then yes, your birthstone would be opal. The birthstones by month are: January - Garnet February - Amethyst March - Aquamarine April - Diamond May - Emerald June - Pearl July - Ruby August - Peridot September - Sapphire October - Opal November - Topaz December - Zircon
Diamond is an allotropic form of carbon.Ruby and sapphire are aluminium oxide naturally doped with some metals (as traces).Emerald is Be3Al2(SiO3)6.Chrysoberyl is Be2Al2O4.Opal is hydrated SiO2.Peridot is MgSiO4.Topaz is Al2SiO4(F,OH)2Malachite is Cu2CO3(OH)2.Jades and garnets are complex silicates.
PERIDOT
Peridot, the birthstone of August, carries a lime green color and is one of only a few gemstones that exists in only one color.Modern Birthstones: Peridot (kind of yellow green) Traditional Birthstones: Sardonyx, Carnelian.Other than Peridot, Aventurine and Sapphire are also classified as modern birthstones.
The types of Opal that i am familiar with are White Opal, Fire Opal, Boulder Opal, Black Opal, Crystal Opal, Light Opal, Doublet Opal, Triplet Opal, Common Opal, Synthetic Opal, and Immitation Opal.
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.
Peridot's luster is vitreous to oily. (:
Peridot's luster is vitreous to oily. (:
Usually, a peridot is made of lava.
peridot is 3.34 g/cm3