Where it forms, where it's found
- Type locality
- Hpakant-Tawmaw Jade Tract
- Hpakant Township (Hpakan
- Phakant
- Phakan)
- Mohnyin District
- Kachin State
- Myanmar
109recorded occurrences
Physical
Optical
- Optical type
- Biaxial (-) · 2V measured = 73° · 2V calc = 70°
- Refractive index
- 1.64 – 1.692
- Surface relief
- High
- Principal indices
- nα 1.64 – 1.681 · nβ 1.658 – 1.688 · nγ 1.66 – 1.692
- Pleochroism
- Visible
X = pale blue (medium), Y = light blue-green (strongest), Z = colourless
- Dispersion
- r < v strong
- Luminescence
- Nonfluorescent
Δ = 0Δmax
PPLpleochroism per grain
XPLindependent extinctions · rotate the stage
PPLpleochroism only · colour blends on rotation
XPLinterference colour · extinct every 90°
Retardation155 nm
Order1st order
XPL colour
Crystallography
- Space group
- C2/m
- Cell parameters
- a = 9.8573(8) Å · b = 17.962(1) Å · c = 5.2833(4) Å
- Cell angles
- β = 104.707(2) °
- Ratio a:b:c
- 1 : 1.822 : 0.536
- Z
- 2
Crystal structure
Chemical composition
Synonyms
- IMA2013-140
- Katophoriet
- Magnesiokatophorit
- Magnesiokatophorita
- Magnesiokatophorite
In other languages
- German
- IMA 2013-140 · Katophorit
- Italian
- catoforite · catophorite · katoforit · magnesio-alumino-katophorite · magnesiokatophorite
- Chinese
- 红钠闪石
Classification
Strunz
10th ed.9.DE.20
- 9SilicatesClass
- 9.DInosilicatesDivision
- 9.DEInosilicates with 2-periodic double chains, Si4O11; ClinoamphibolesGroup
- 9.DE.20KatophoriteSpecies
Dana
8th ed.66.01.3b.11
- 66Inosilicates Double-width, Unbranched Chains, (w=2)Class
- 66.01Amphiboles - Mg-Fe-Mn-Li subgroupType
- 66.01.3b— unnamed intermediate level —Group
- 66.01.3b.11KatophoriteSpecies
CIM
—16.11.14
- 16Silicates Containing Aluminum and other MetalsClass
- 16.11Aluminosilicates of Ca and Mg with or without alkalisGroup
- 16.11.14KatophoriteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- —Oberti, R., Boiocchi, M., Hawthorne, F.C., Ball, N.A., Harlow, G.E.
- 1963Deer, et al (1963) volume 2: 359-363.
- 1978Leake, Bernard E. (1978) Nomenclature of amphiboles. American Mineralogist, 63 (11-12) 1023-1052
- 1997Leake, B. E., Woolley, A. R., Arps, C. E. S., Birch, W. D., Gilbert, M. C., Grice, J. D., Hawthorne, F. C., Kato, A., Kisch, H. J., Krivovochev, V. G., Linthout, K., Laird, J., Mandarino, J. A., Maresch, W. V., Nickel, E.H., Rock, N. M. S., Schumacher, J. C., Smith, D. C., Stephenson, N. C. N., Ungaretti, L., Whittaker, E. J. W., Youzhi, Gou (1997) Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist, 35 (1) 219-246
- 1998Mandarino, Joseph A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995) - The Amphibole Group. The Mineralogical Record, 29 (3) 169-174
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Katophorite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/katophorite-7163},
note = {Accessed 2026-05-11}
}