| Svabite | |
|---|---|
 | |
| General | |
| Category | Minerals |
| Formula | Ca5(AsO4)3(F,OH) |
| IMA symbol | Sva1 |
| 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 an 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
Occurrence
Svabite can be found in countries like Sweden or Germany.3
The mineral is rare in calc-silicate skarns and arsenate analogue.5
References
References
- Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- "Svabite | mineral". Encyclopedia Britannica. Retrieved 3 September 2021.
- "Svabite". National Gem Lab. 25 March 2017. Retrieved 5 September 2021.
- "Svabite". www.mindat.org. Retrieved 5 September 2021.
- Ptáček, Petr (13 April 2016). Apatites and their Synthetic Analogues: Synthesis, Structure, Properties and Applications. BoD – Books on Demand. p. 36. ISBN 978-953-51-2265-4.