Cabrerite is an arsenate mineral bearing magnesium and nickel. It is a member of the hörnesite-annabergite series in the vivianite group.
| Cabrerite | |
|---|---|
| General | |
| Category | Arsenate minerals |
| Formula (repeating unit) | NiMg2(AsO4)2·8H2O |
| Strunz classification | 8.CE.40 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/m |
| Unit cell | a = 10.205(1), b = 13.377(1) c = 4.7382(4) [Å]; β = 105.057(7)°; Z = 2[1] |
| Identification | |
| References | [1] |
The name Cabrerite has been in use for any annabergite with notable incorporation of magnesium, typically nickel remaining the dominant ion.[2] It was specified to refer to specimens with a Ni:Mg ratio of 1:2 in 2024.[1]
References
edit- ^ a b c Mindat.org
- ^ Mindat.org
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