Teruelite

Where it forms, where it's found

15recorded occurrences

Source · OpenStreetMap

Physical

Colour: Black · dark grey · dark brownish

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 6 15.999 95.994
52.06%
20CaCalcium Calcium 1 40.078 40.078
21.73%
12MgMagnesium Magnesium 1 24.305 24.305
13.18%
6CCarbon Carbon 2 12.011 24.022
13.03%
Total 184.399 100.00%
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	6	15.999	95.994	52.06%
20CaCalcium	Calcium	1	40.078	40.078	21.73%
12MgMagnesium	Magnesium	1	24.305	24.305	13.18%
6CCarbon	Carbon	2	12.011	24.022	13.03%
	Total	184.399	100.00%

Synonyms

Fernelite
Teruelit
Teruelita

Literature, links & citation

Citations

1845Maestre (1845) Anales de Minas: 3: 264.
1891CHAVES Y PÉREZ DEL PULGAR, F. (1891) Observaciones cristalográficas sobre la teruelita. Anales de la Sociedad Española de Historia Natural. Actas de la sesión celebrada el 4 de febrero, 20: 9-10.
1931MARTÍN CARDOSO, G. & GARRIDO, J. (1931) Sobre la estructura de la teruelita. Boletín de la Real Sociedad Española de Historia Natural. (Notas y comunicaciones), 3 cuadr., 4 fig., lám. III y IV., 31: 379-398.
1950FERNÁNDEZ GALIANO, D. (1950) La Teruelita. Teruel, 6 (12) 163-174.
1951Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Teruelite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/teruelite-11145},
  note      = {Accessed 2026-05-11}
}