Difference between revisions of "Bastnasite"
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Although originally named for the first location it was found, Bastnas Mine, Riddarhyttan, Vastmanland, [[Sweden]], subsequent deposits have been located in [[Norway]], [[Malawi]], [[Mongolia]], [[Canada]] and [[California]]. | Although originally named for the first location it was found, Bastnas Mine, Riddarhyttan, Vastmanland, [[Sweden]], subsequent deposits have been located in [[Norway]], [[Malawi]], [[Mongolia]], [[Canada]] and [[California]]. | ||
| − | ==Mineral Information== | + | ==Mineral Information== |
* Empirical Formula: Ce(CO<sub>3</sub>)F | * Empirical Formula: Ce(CO<sub>3</sub>)F | ||
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* Specific Gravity is 4.7 to 5.0 (well above average) <ref>http://www.galleries.com/minerals/carbonat/bastnasi/bastnasi.htm</ref> | * Specific Gravity is 4.7 to 5.0 (well above average) <ref>http://www.galleries.com/minerals/carbonat/bastnasi/bastnasi.htm</ref> | ||
| − | ==External | + | ==External links== |
| − | [http://webmineral.com/data/Bastnasite-(Ce).shtml Webmineral's Page on Bastnasite] | + | * [http://webmineral.com/data/Bastnasite-(Ce).shtml Webmineral's Page on Bastnasite] |
==References== | ==References== | ||
Latest revision as of 02:45, July 13, 2016
Bastnasite (sometimes spelled bastnaesite) is one of the more common rare earth carbonate minerals. It is an important ore for the production of cerium, lanthanum and yttrium.
Although originally named for the first location it was found, Bastnas Mine, Riddarhyttan, Vastmanland, Sweden, subsequent deposits have been located in Norway, Malawi, Mongolia, Canada and California.
Mineral Information
- Empirical Formula: Ce(CO3)F
- Color is pale white, tan, gray, brown, yellow and pink.
- Luster is pearly, vitreous, greasy to dull.
- Transparency: Crystals are translucent to opaque.
- Crystal System is hexagonal.
- Cleavage is distinct in one direction (basal) and poor in three directions (prismatic).
- Fracture is uneven.
- Hardness is 4 to 4.5.
- Specific Gravity is 4.7 to 5.0 (well above average) [1]
