Spessartine
| ID | 239 | |
|---|---|---|
| Mineral | Spessartine | |
| Location | Kunar Paprou - Nuristan - Afghanistan | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Spessartine information at mindat.org |
|
Mindat data
| ID | 3725 |
|---|---|
| Long ID | 1:1:3725:5 |
| Formula |
Mn2+3Al2(SiO4)3
|
| IMA Status |
0 1 |
| Discovery Year | 1832 |
| Diapheny | Transparent,Translucent |
| Cleavage | Distinct |
| Tenacity | brittle |
| Colour | Red, reddish orange, yellowish brown, reddish brown, or brown |
| Hardness (min) | 6.5 |
| Hardness (max) | 7.5 |
| Luminescence | Non-fluorescent |
| Lustre | Vitreous - Resinous |
| About the name | Re-named in 1832 by François Sulpice Beudant after its type locality in the Spessart Mountains, Germany. Previously distinguished as a "manganesian" garnet by Henry Seybert in 1823 using mineral from Haddam, Connecticut, USA. Originally, this mineral, from Spessart Mountains, was called "granatförmiges Braunsteinerz" in 1797 by Martin Klaproth. |
| Streak | White |
| Crystal System | Isometric |
| Fracture type | Sub-Conchoidal |
| Morphology | euhedral crystals, dodecahedra or trapezohedra, or in combination with other cubic forms, to 10 cm. |
| shortcode_ima | Sps |
| Group | Garnet Group |
Details
Price: € 5
Dimensions: Not registered
Weight: Not registered
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| Al | Aluminium | |
| Mn | Manganese | |
| O | Oxygen | |
| Si | Silicium |