Slottaite

Where it forms, where it's found

Type locality: Clara Mine
Oberwolfach
Ortenaukreis
Freiburg Region
Baden-Württemberg
Germany
48.3797°, 8.2289°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Trigonal
Space group: #99
Cell parameters: a = 7.2817(3) Å · c = 16.8198(3) Å

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 14 15.999 223.986
40.86%
26FeIron Iron 3 55.845 167.535
30.56%
38SrStrontium Strontium 1 87.620 87.620
15.98%
16SSulfur Sulfur 1 32.060 32.060
5.85%
15PPhosphorus Phosphorus 1 30.974 30.974
5.65%
1HHydrogen Hydrogen 6 1.008 6.048
1.10%
Total 548.223 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
8OOxygen	Oxygen	14	15.999	223.986	40.86%
26FeIron	Iron	3	55.845	167.535	30.56%
38SrStrontium	Strontium	1	87.620	87.620	15.98%
16SSulfur	Sulfur	1	32.060	32.060	5.85%
15PPhosphorus	Phosphorus	1	30.974	30.974	5.65%
1HHydrogen	Hydrogen	6	1.008	6.048	1.10%
	Total	548.223	100.00%

Synonyms

IMA2024-051
Slottaiet

In other languages

German: IMA 2024-051 · Slottait

Classification

Strunz

10th ed.

8.BL.05

8Phosphates, Arsenates, VanadatesClass
8.BPhosphates, etc., with additional anions, without H₂ODivision
8.BLWith medium-sized and large cations, (OH, etc.):RO₄ = 3:1Group
8.BL.05SlottaiteSpecies

Group, growth & confusion

11 members

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Slottaite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/slottaite-471392},
  note      = {Accessed 2026-05-11}
}