Difference between revisions of "Jasper"
From The Gemology Project
Africanuck (talk | contribs) |
(added contribution (id:427)) |
||
| Line 1: | Line 1: | ||
{{Jasper}} | {{Jasper}} | ||
[[Image:Imperial_Jasper,_Mexico.JPG|left|framed|Imperial Jasper Cabochon, Mexico <br /> Photo courtesy of Rick Martin]]<br clear="left" /> | [[Image:Imperial_Jasper,_Mexico.JPG|left|framed|Imperial Jasper Cabochon, Mexico <br /> Photo courtesy of Rick Martin]]<br clear="left" /> | ||
| + | |||
| + | ==Scenic jasper== | ||
| + | |||
| + | [[Image:Scenic jasper.jpg|left|thumb|200px|Scenic jasper.<br />Image courtesy of Topsieraden.nl]] | ||
| + | |||
| + | Picture, or scenic, or landscape jasper and agate gets its name from the pictures of scenes, animals or objects formed by the colorful patterns from other minerals present. | ||
Revision as of 04:55, 6 December 2008
| Jasper | |
|---|---|
| Chemical composition | SiO2 Silicon dioxide |
| Crystal system | Trigonal |
| Habit | Aggregate, massive |
| Fracture | Conchoidal |
| Hardness | 6.5-7 |
| Refractive index | 1.53-1.54 |
| Specific gravity | 2.58-2.64 |
| Lustre | Vitreous |
Imperial Jasper Cabochon, Mexico
Photo courtesy of Rick Martin
Photo courtesy of Rick Martin
Scenic jasper
Picture, or scenic, or landscape jasper and agate gets its name from the pictures of scenes, animals or objects formed by the colorful patterns from other minerals present.
