Erythrite
| ID | 64 | |
|---|---|---|
| Mineral | Erythrite | |
| Location | Siegerland - Nordrhein-Westfalen - Germany | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Erythrite information at mindat.org |
|
Mindat data
| ID | 1407 |
|---|---|
| Long ID | 1:1:1407:2 |
| Formula |
Co3(AsO4)2 · 8H2O
|
| IMA Status |
0 1 |
| Other Occurrences | A secondary mineral in the oxidation zone of some Ni-Co-As mineral deposits. |
| Diapheny | Transparent,Translucent |
| Cleavage |
Perfect on {010}, poor on {100} |
| Tenacity | sectile |
| Colour | Crimson to peach red, pale rose, pink |
| Hardness (min) | 1.5 |
| Hardness (max) | 2.5 |
| About the name | Named in 1832 by François Sulpice Beaudant from the Greek έρυθρος, "erythros" for "red". |
| Streak | Pale red to pink (paler than the colour) |
| Crystal System | Monoclinic |
| Cleavage Type | Perfect |
| Morphology |
Crystals prismatic to acicular [001] and typically flattened on {010}; deeply striated or furrowed [001]. Also striated on {010} parallel to {h0l} or |
| Comment Luster | Pearly on {010} cleavage |
| key_elements |
0 1 |
| shortcode_ima | Ery |
| Group | Vivianite Group |
Details
Price: € 15
Dimensions: Not registered
Weight: 133 g
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| As | Arsenic |
|
| Co | Cobalt |
|
| H | Hydrogen | |
| O | Oxygen |