 |
Chemical Formula | MnSiO3 |
|
Composition | Manganese silicate |
|
Color | Red, pink, yellow-brown, brown |
|
Streak | Colorless |
|
Hardness | 5½ - 6 |
|
Crystal Forms and Aggregates |
(Triclinic) Occurs in grainy masses, in compact groupings, and massive. |
|
Transparency | Translucent |
|
Specific Gravity | 3.8 |
|
Luster | Vitreous |
|
Cleavage | 1,2 |
|
Fracture | Hackly, uneven |
|
Tenacity | Brittle |
|
Polymorphs | Rhodonite |
|
In Group | Silicates ; Inosilicates |
|
All About | Pyroxmangite is a rare high-temperature polymorph of Rhodonite. Its appearance is identical to Rhodonite, and only complex scientific tests can distinguish the two minerals. |
|
Striking Features | Color and crystal habits |
|
Popularity (1-4) | 4 |
|
Prevalence (1-3) | 3 |
|
Demand (1-3) | 3 |
|
Distinguishing Similar Minerals |
Rhodonite - indistinguishable without
complex tests Bustamite - lighter pink Pink Feldspar - usually occurs in larger crystals |
|
Commonly Occurs With |
Calcite, Franklinite, Tephroite, Rhodonite, Pyrolusite |
|
Noteworthy Localities |
Localities are Tunaberg, Sweden; Franklin and Ogdensburg, Sussex Co., New Jersey; Iva, Anderson Co., South Carolina; Boise, Ada Co., Idaho; and Silverton, San Juan Co., Colorado. |
|
Picture Icon Links |
Sorry. No Images currently available. |
|
Picture Links | Sorry. No Images currently available. |
