Yeah i looked it up on google. I cant seem to find it :/Is it Sedimentary, Igneous, or Metamorphic.
Quartz could be broken too, so as that is not a stable try. a stable specimen of quartz is colorless and perfect; seen evaluation with glass does not probably help. A hardness try ought to permit you comprehend something: if the necklace products can scratch glass yet not quartz, then they're glass. in the event that they could scratch quartz, then they're quartz. The refractive index of quartz isn't comparable to maximum glass. some jewelers can try refractive index for you.
Pyrex is low expansion glass, quartz is very high temp. All three will break in extreme cases. The monroe retainers I looked up to find out what you were talking about were plastic, which will at least not break. Gag, what an icky idea and who wants to kiss around one of those things?
