The AEC fleet vessel, MV Giovanna 34,146 dwat Built 2011, loaded Olivine Sand at Aaheim, Norway. It was a short quick voyage for discharging in Gijon, Spain.
Olivine sand. Sand composed almost exclusively of olivine grains is rare. Olivine is a common rock-forming mineral of certain igneous rocks.
| General | |
|---|---|
| Category | Nesosilicate Olivine group Olivine series |
| Formula (repeating unit) |
(Mg, Fe)2SiO4 |
| Strunz classification | 9.AC.05 |
| Crystal system | Orthorhombic |
| Identification | |
| Color | Yellow to yellow-green |
| Crystal habit | Massive to granular |
| Cleavage | Poor |
| Fracture | Conchoidal – brittle |
| Mohs scale hardness | 6.5–7 |
| Luster | Vitreous |
| Streak | None |
| Diaphaneity | Transparent to translucent |
| Specific gravity | 3.2–4.5[1][2][3][4] |
| Optical properties | Biaxial (+) |
| Refractive index | nα = 1.630–1.650 nβ = 1.650–1.670 nγ = 1.670–1.690 |
| Birefringence | δ = 0.040 |