| | Celestite -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-21) |
 | | Celestite ((A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite) Sr (The 19th letter of the Roman alphabet) S (The 15th letter of the Roman alphabet) O |
| | The mineral is also known as celestine and is named for its occasional delicate blue (A visual attribute of things that results from the light they emit or transmit or reflect) color. |
| | Celestite occurs as (A crystalline element used as a component in various electronic devices) crystals, and also in compact massive and fibrous forms. |
| www.absoluteastronomy.com /encyclopedia/c/ce/celestite.htm (186 words) |
