Clear Calcite crystals produce double refraction. The best known Calcite is Iceland spar a high quality transparent variety which is known for it's double refraction.
The Cerussite crystals are very pretty but also very brittle. Cerussite is known as white lead, it is a lead ore.
4 comments:
Nice crystals you have here, and great blog. By the way, if you're interested to write about you and your blogs please let me know and I'll post it up in my blog @ http://bloglives.blogspot.com
Thanks!
Francis Simisim
http://soshallwe.blogspot.com
Hi Eurica,
There are people who is willing to pay a lot of money to place crystals into their house because they believes there is healing power in crystals. What about you?
Hi Sam chan, I like the crystals for their natural beauty. I can understand that people are mesmerised by crystals. There is a feeling of something far out of reach, like looking at a star.
Hi Eurica,
I agree with you, very unique crystals are really beautiful to behold.
There are so many superstition in the world. Thus, whether crystals have healing power or not, I really don't know. That's why I asked. However, I do know by stating that crystals have healing power helps some businessman to promote it well!
Maybe you could research further about this and give your view in this blog.
Best Wishes
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