Magnesio-dutrowite

Na(Mg2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3O
IMA status
  • Approved
  • Pending publication
IMA symbol
Mdtw
IMA approved
2023
Also known as
  • Magnesio-dutrowiet

Where it forms, where it's found

Type locality
Dolomitic marble quarry
  1. Rędziny
  2. Gmina Kamienna Góra
  3. Kamienna Góra County
  4. Lower Silesian Voivodeship
  5. Poland

50.8183°, 15.9245°

1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Trigonal
Space group
#86
Cell parameters
a = 15.9682(4) Å · c = 7.2081(2) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen3115.999495.969
51.16%
14SiSiliconSilicon628.085168.510
17.38%
13AlAluminiumAluminium626.982161.892
16.70%
12MgMagnesiumMagnesium2.524.30560.763
6.27%
5BBoronBoron310.81032.430
3.34%
22TiTitaniumTitanium0.547.86723.933
2.47%
11NaSodiumSodium122.99022.990
2.37%
1HHydrogenHydrogen31.0083.024
0.31%
Total969.511100.00%

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

From Mindat formula

Synonyms

  • Magnesio-dutrowiet

In other languages

German
IMA 2023-015 · Magnesio-Dutrowit

Classification

Strunz
10th ed.

9.CK

  • 9SilicatesClass
  • 9.CCyclosilicatesDivision
  • 9.CK[Si6O18]12- 6-membered single rings, with insular complex anionsGroup
  • 9.CKMagnesio-dutrowiteSpecies

Group, growth & confusion

Commonly confused with
1 mineral

Literature, links & citation

Citations
  1. 2023Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2023) Newsletter 74. Mineralogical Magazine, 87 (5). 783-787 doi:10.1180/mgm.2023.54DOI: 10.1180/mgm.2023.54
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Magnesio-dutrowite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/magnesio-dutrowite-470828},
  note      = {Accessed 2026-05-11}
}