Rocks of Ages

Historic questions, thoughts and other interesting stuff

Moderator: Moderators

User avatar
Kate Tiler
Post Centurion
Posts: 620
Joined: Sun Jul 17, 2005 10:23 pm
Location: Leicestershire

Post by Kate Tiler »

If you type some of the names of the stones into this search:

You find lots of pretty things! Example - type ruby in & you find 12 nice shiny things :)
"In art as in life everything is possible as long as it is based on love" Marc Chagall

User avatar
Neil of Ormsheim
Posts: 425
Joined: Sun Dec 11, 2005 1:37 pm
Location: Deepest Darkest Leeds

Post by Neil of Ormsheim »

On the subject of artificially enhanced gemstones, I once saw rock crystal that had been exposed to gold vapour in a vacuum. The normal clear and colourless rock crystal had turned an amazing transparent blue. 8)
Lurv 'n' Kizzez

User avatar
Mad Monk of Mitcham
Posts: 54
Joined: Thu Jul 28, 2005 11:36 pm
Location: Mitcham

Post by Mad Monk of Mitcham »

This is called "Aqua Aura" and the coating is very thin, and can rub off.

A whole range of other metals can be used, with various colours as the result.

Concorde (the plane) had a gold plated windscreen to avoid cosmic radiation because it was flying so high.

Post Reply