like how good u can see though it.
luster:waxy
hardness:7
very colors of purple blue black gray tan white
Opaque
The visibility of celestial bodies in the sky.
It does make the windows more tinted and it is not crystal clear glass.
Reading your question is the first time I've heard the suggestion that they're disappearing, and I'm very skeptical. If they are, then it can only be the result of decreasaing transparency of the atmosphere. A shorter way to say that is 'Air Pollution'.
You cannot see 'too many' stars in the night sky. You can only see those that are visible. Atmospheric conditions vary and with it, its the transparency. The clearer the sky the more stars you can see.
Rubies Emeralds Topazs Onyxs Amethysts Diamonds Sapphire Amber Tanzanite
It has no transparency
No it does not have a transparency number.
no chalcopyrite does not have transparency
Graphite does not have a transparency.
What transparency?
Halite's transparency is transparent/translucent.
the transparency of bauxite is a12o3-2H2o
the transparency of the sapphire is transparent and opaque.
examples of degree of transparency
Maybe Transparency Maybe Transparency
the transparency of sulfur is 1.96 g/cu