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| Svabite | |
|---|---|
 | |
| General | |
| Category | Mineral |
| Formula (repeating unit) | Ca5(AsO4)3(F,OH) |
| IMA symbol | Sva[1] |
| Identification | |
| Color | Colorless yellowish white, gray, grayish green, colorless to pale lilac in transmitted light |
| Crystal habit | As stout prismatic hexagonal crystals, often modified by several bipyramids, up to 5 mm; also massive |
| Cleavage | Indistinct on {1010} |
| Fracture | Irregular/uneven |
| Tenacity | Brittle |
| Mohs scale hardness | 4.0 – 5.0 |
| Density | 3.50 – 3.80 (g/cm3) |
| Refractive index | 1.698 – 1.706 Uniaxial (−) |
| Other characteristics | Soluble in dilute acids |
Svabite is a arsenate mineral.[2] The mineral is rare and is also a member of the apatite group.[3] It is isomorphous with apatite and mimetite.[3]
It got its name in 1891 by Hjalmar Sjögren after Anton von Swab.[4]