Amarantite
| ID | 313 | |
|---|---|---|
| Mineral | Amarantite | |
| Location | Yazd - Iran | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Amarantite information at mindat.org |
|
Mindat data
| ID | 182 |
|---|---|
| Long ID | 1:1:182:9 |
| Formula |
Fe3+2O(SO4)2 · 7H2O
|
| IMA Status |
0 1 |
| General Appearance | massive |
| Other Occurrences | A secondary mineral formed especially in arid climates. |
| Discovery Year | 1888 |
| Diapheny | Transparent |
| Cleavage | On {010} and {100}, perfect. |
| Tenacity | brittle |
| Colour | Amaranth-red to brownish red and red-orange |
| Hardness (min) | 2.5 |
| Hardness (max) | 2.5 |
| About the name | From the Greek αμάραντος = amaranth, an imaginary red undying flower, in allusion to its colour. |
| Streak | Lemon-yellow |
| Crystal System | Triclinic |
| Cleavage Type | Perfect |
| Morphology | Crystals, to 2 cm, elongated along [001], with dominant {100} and {010}, and square cross section; also flattened [100] and striated on {001}; more than 60 forms recorded; typically in radiating or matted aggregates of needles; columnar or bladed. |
| shortcode_ima | Ama |
Details
Price: € 20
Dimensions: Not registered
Weight: 56 g
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| Fe | Iron | |
| H | Hydrogen | |
| O | Oxygen | |
| S | Sulfur |