Name: | Pickeringite Pkg |
IMA Chemistry: | MgAl2(SO4)4ยท22H2O |
Chemistry Elements: | The mineral Pickeringite contains elements: Magnesium (Mg) Aluminum (Al) Sulfur (S) Oxygen (O) Hydrogen (H) |
Country of Type Locality: | Chile |
Year First Published: | 1844 |
IMA Status: | Approved,Grandfathered |
Status Notes: | Hayes A A (1844) Description and analysis of pickeringite, a native magnesian alum, The American Journal of Science and Arts 46, 360-362 |
Structural Group Name: | Halotrichite |
Fleischer's Group Name: | halotrichite |
Crystal Systems: | monoclinic|unknown |
Oldest Known Age: | 2500 Million Years Ago |
Mohs Hardness: | 1.5 |
Diaphaneity: | 3.0 |
Specific Gravity: | 1.76 |
More Info: | Search Wikipedia: Pickeringite (Wiki) Search Mindat: Pickeringite Search Web Mineral DB: Pickeringite |