Svabite
General
CategoryMineral
Formula
(repeating unit)
Ca5(AsO4)3(F,OH)
IMA symbolSva[1]
Identification
ColorColorless yellowish white, gray, grayish green, colorless to pale lilac in transmitted light
Crystal habitAs stout prismatic hexagonal crystals, often modified by several bipyramids, up to 5 mm; also massive
CleavageIndistinct on {1010}
FractureIrregular/uneven
TenacityBrittle
Mohs scale hardness4.0 – 5.0
Density3.50 – 3.80 (g/cm3)
Refractive index1.698 – 1.706 Uniaxial ( – )
Other characteristicsSoluble 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 named in 1891 by Hjalmar Sjögren after Anton von Swab.[4]

The mineral is isomorphous with Apatite and Mimetite.[3]

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

  1. 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.
  2. "Svabite | mineral". Encyclopedia Britannica. Retrieved 3 September 2021.
  3. 1 2 3 "Svabite". National Gem Lab. 25 March 2017. Retrieved 5 September 2021.
  4. "Svabite". www.mindat.org. Retrieved 5 September 2021.
  5. 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.
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