Earth Science - mineralogy, rock hounding and related topics

Thread preview

Thread	Last Post	Replies

yellow orpiment powder source	29 Oct 2004 14:02 GMT	2
Do you guys know a good source to buy Yellow Orpiment powder in bulk (like a few pounds)? Searching on the internet, I found only crystal specimens for display (2" by 2") which go for a few hundred dollars! Thanks,
L.J.Spencer's 1911 "The World's Minerals"	25 Oct 2004 21:56 GMT	3
"The complete set of colour drawings of minerals from L.J.Spencer 1911, The "World's Minerals is available for free download: "http://home.btconnect.com/SiliconDale/heritage/spencer.htm (Modified by J.J.from:
Wollastonite effective in reducing stream acidity due to acid rain	05 Oct 2004 15:25 GMT	1
http://tinyurl.com/5mh88
Plutoniumastatide crystals found !	04 Oct 2004 15:31 GMT	1
They glow in the dark !