Barium-Lamprophyllite

(Na,Mn2+)3(Sr,Na,Ba,K)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2

Where it forms, where it's found

2recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen2015.999319.980
20.11%
56BaBariumBarium2137.327274.654
17.26%
38SrStrontiumStrontium287.620175.240
11.01%
26FeIronIron355.845167.535
10.53%
25MnManganeseManganese354.938164.814
10.36%
22TiTitaniumTitanium347.867143.601
9.02%
11NaSodiumSodium522.990114.950
7.22%
14SiSiliconSilicon428.085112.340
7.06%
19KPotassiumPotassium239.09878.196
4.91%
9FFluorineFluorine218.99837.996
2.39%
1HHydrogenHydrogen21.0082.016
0.13%
Total1591.322100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

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}
}