Barium-Lamprophyllite

Where it forms, where it's found

2recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 20 15.999 319.980
20.11%
56BaBarium Barium 2 137.327 274.654
17.26%
38SrStrontium Strontium 2 87.620 175.240
11.01%
26FeIron Iron 3 55.845 167.535
10.53%
25MnManganese Manganese 3 54.938 164.814
10.36%
22TiTitanium Titanium 3 47.867 143.601
9.02%
11NaSodium Sodium 5 22.990 114.950
7.22%
14SiSilicon Silicon 4 28.085 112.340
7.06%
19KPotassium Potassium 2 39.098 78.196
4.91%
9FFluorine Fluorine 2 18.998 37.996
2.39%
1HHydrogen Hydrogen 2 1.008 2.016
0.13%
Total 1591.322 100.00%
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	20	15.999	319.980	20.11%
56BaBarium	Barium	2	137.327	274.654	17.26%
38SrStrontium	Strontium	2	87.620	175.240	11.01%
26FeIron	Iron	3	55.845	167.535	10.53%
25MnManganese	Manganese	3	54.938	164.814	10.36%
22TiTitanium	Titanium	3	47.867	143.601	9.02%
11NaSodium	Sodium	5	22.990	114.950	7.22%
14SiSilicon	Silicon	4	28.085	112.340	7.06%
19KPotassium	Potassium	2	39.098	78.196	4.91%
9FFluorine	Fluorine	2	18.998	37.996	2.39%
1HHydrogen	Hydrogen	2	1.008	2.016	0.13%
	Total	1591.322	100.00%

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Barium-Lamprophyllite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/barium-lamprophyllite-461},
  note      = {Accessed 2026-05-11}
}