![history](../../images/but_history.gif)
![collection](../../images/but_database.gif)
![collecting and identifying](../../images/but_collect.gif)
![how minerals are formed](../../images/but_how.gif)
![marvels of minerals](../../images/but_marvels.gif)
![virtual walk of a quarry](../../images/but_walk.gif)
BACK
HOME
|
![](../../nav_graphics/bar_database.gif) |
![](../../nav_graphics/title_db.gif)
![](../nav_graphics/back.gif) |
Dawsonite (NaAl(CO3 )(OH)2) D02384 |
|
![Image: D2384.jpg](../minerals_jpg/D2384.jpg) |
Crystal system |
orthorhombic. |
Habit |
prismatic, striated crystals; also acicular or fibrous, spheres, rosettes and random aggregates. |
Cleavage |
perfect. |
Fracture |
none. |
Hardness |
3 |
Specific Gravity |
2.45 |
Color |
colorless or white. |
Luster |
transparent and crystals are vitreous while aggregates are silky in luster. |
Streak |
none. |
Distinguishing features |
occasionally small cubes of fluorite and orange sphalerite occur on dawsonite crystals. |
Uses |
of interest to collectors and scientists.
|
|
![](../images/browse_by.gif)
Crystal
Chemical
Gravity
Color
Species
Catalog
Other species samples
|