Hackmanite
A material that is NOT an approved mineral species
This page kindly sponsored by John Kashuba
About Hackmanite
Formula:
Na8Al6Si6O24(Cl2,S)
Name:
For Finnish geologist, Victor Axel Hackman [April 27, 1866 - 1941]. Professor at University of Helsinki (Helsingfors) and geologist with Finnish Geological Survey. He accompanied Wilhelm Ramsay in the Finnish Kola expedition of 1891-1892, during which a rock called tawite, mainly consisting of S-bearing sodalite and aegirine, was recovered (Ramsay, 1898).
Pink to grey white to white photochrome variety of sodalite containing some S. Occasionally not enough S to be detectable with EDS (<1%). The S content can give sodalite reversible photochromism or tenebrescence. The fluorescent community reserve the name hackmanite for tenebrescent sodalites.
Hackmanite shows orange colored photoluminescence in UV light, exhibits a purple-red colour subsequently to UV irradiation or after cracking, bleaches within minutes to hours in visible light, and usually recovers colour in darkness.
the change in the color of hackmanite in photochromism is caused by the joint action of the F-center and the oxygen hole centers. The change in the UV-Vis spectra may be caused by the superposition of two peaks. Under 365 nm UV excitation, the peak of fluorescence spectra of 662 nm is related to the 2âgâ2âu transition of S2â, the blue emission at 441 nm is caused by the 3P0.1â1S0 transition of s2 ions (Pb2+, Tl+, Sn2+ Sb2+), and at 541 nm is caused by the Mn2+ center. The results are helpful in deepening the understanding of photochromism, fluorescence mechanism, and its structure, expanding the application of hackmanite.
Originally described from Tavaiok river (=Tawajok in Ramsey, 1898; Tawa in Borgström 1901 and 1903) valley, Lovozero (Lujavr-Urt in Ramsay, 1898; Lujaur-Urt in Borgström, 1901 and 1903) Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia (Ramsey, 1898; Borgström, 1901 and 1903).
Hackmanite shows orange colored photoluminescence in UV light, exhibits a purple-red colour subsequently to UV irradiation or after cracking, bleaches within minutes to hours in visible light, and usually recovers colour in darkness.
the change in the color of hackmanite in photochromism is caused by the joint action of the F-center and the oxygen hole centers. The change in the UV-Vis spectra may be caused by the superposition of two peaks. Under 365 nm UV excitation, the peak of fluorescence spectra of 662 nm is related to the 2âgâ2âu transition of S2â, the blue emission at 441 nm is caused by the 3P0.1â1S0 transition of s2 ions (Pb2+, Tl+, Sn2+ Sb2+), and at 541 nm is caused by the Mn2+ center. The results are helpful in deepening the understanding of photochromism, fluorescence mechanism, and its structure, expanding the application of hackmanite.
Originally described from Tavaiok river (=Tawajok in Ramsey, 1898; Tawa in Borgström 1901 and 1903) valley, Lovozero (Lujavr-Urt in Ramsay, 1898; Lujaur-Urt in Borgström, 1901 and 1903) Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia (Ramsey, 1898; Borgström, 1901 and 1903).
Visit gemdat.org for gemological information about Hackmanite.
Unique Identifiers
Mindat ID:
1789
Long-form identifier:
mindat:1:1:1789:9
GUID
(UUID V4):
(UUID V4):
64c51a54-09e7-4e21-b6ff-8d09e1ddb1bb
Classification of Hackmanite
9.FB.10 va
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Chemistry of Hackmanite
Mindat Formula:
Na8Al6Si6O24(Cl2,S)
Other Language Names for Hackmanite
Common Associates
Associated Minerals Based on Photo Data:
119 photos of Hackmanite associated with Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
64 photos of Hackmanite associated with Calcite | CaCO3 |
42 photos of Hackmanite associated with Sodalite | Na4(Si3Al3)O12Cl |
31 photos of Hackmanite associated with Uraninite | UO2 |
21 photos of Hackmanite associated with Albite | Na(AlSi3O8) |
17 photos of Hackmanite associated with Nepheline | Na3K(Al4Si4O16) |
17 photos of Hackmanite associated with Pyrrhotite | Fe1-xS |
13 photos of Hackmanite associated with Pectolite | NaCa2Si3O8(OH) |
12 photos of Hackmanite associated with Phlogopite | KMg3(AlSi3O10)(OH)2 |
12 photos of Hackmanite associated with Natrolite | Na2Al2Si3O10 · 2H2O |
Related Minerals - Strunz-mindat Grouping
9.FB. | Steudelite | Na3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6 · 4H2O |
9.FB. | Sapozhnikovite | Na8(Al6Si6O24)(HS)2 |
9.FB. | Betzite | Na6Ca2(Al6Si6O24)Cl4 |
9.FB. | Slyudyankaite | Na28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2O |
9.FB. | Bolotinaite | (Na7â»)(Al6Si6O24)F · 4H2O |
9.FB. | Wenlanzhangite-(Y) | Y2V3+2V4+2(SiO4)2O4(OH)4 |
9.FB.05 | Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 |
9.FB.05 | Bystrite | (Na,K)7Ca(Al6Si6O24)(S5)Cl |
9.FB.05 | Cancrinite | (Na,Ca,â»)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
9.FB.05 | Cancrisilite | Na7(Al5Si7O24)(CO3) · 3H2O |
9.FB.05 | Davyne | (Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2 |
9.FB.05 | Franzinite | (Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O |
9.FB.05 | Giuseppettite | (Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2 |
9.FB.05 | Hydroxycancrinite | Na8(Al6Si6O24)(OH)2 · 2H2O |
9.FB.05 | Liottite | (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 |
9.FB.05 | Microsommite | Na4K2Ca2(Al6Si6O24)(SO4)Cl2 |
9.FB.05 | Pitiglianoite | Na6K2(Al6Si6O24)(SO4) · 2H2O |
9.FB.05 | Quadridavyne | (Na,K)6Ca2(Al6Si6O24)Cl4 |
9.FB.05 | Sacrofanite | (Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2O |
9.FB.05 | Tounkite | (Na,Ca,K)8(Si6Al6)O24(SO4)2Cl · 0.5H2O |
9.FB.05 | Vishnevite | (Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O |
9.FB.05 | Marinellite | (Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O |
9.FB.05 | Farneseite | (Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O |
9.FB.05 | Alloriite | (Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6 |
9.FB.05 | Biachellaite | (Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2O |
9.FB.05 | FantappiÚite | [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O |
9.FB.05 | Kyanoxalite | Na7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5) |
9.FB.05 | Balliranoite | (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) |
9.FB.05 | Carbobystrite | Na8(Al6Si6O24)(CO3) · 3.5H2O |
9.FB.05 | Depmeierite | Na8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x |
9.FB.05 | Kircherite | Na5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O |
9.FB.05 | Sulfhydrylbystrite | Na5K2Ca[Al6Si6O24](S5)2(SH) |
9.FB.10 | Bicchulite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Danalite | Be3Fe2+4(SiO4)3S |
9.FB.10 | Genthelvite | Be3Zn4(SiO4)3S |
9.FB.10 | HaĂŒyne | Na3Ca(Si3Al3)O12(SO4) |
9.FB.10 | Helvine | Be3Mn2+4(SiO4)3S |
9.FB.10 | Kamaishilite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Lazurite | Na7Ca(Al6Si6O24)(SO4)(S3) · H2O |
9.FB.10 | Nosean | Na8(Al6Si6O24)(SO4) · H2O |
9.FB.10 | Sodalite | Na4(Si3Al3)O12Cl |
9.FB.10 | Tsaregorodtsevite | (N(CH3)4)(AlSi5O12) |
9.FB.10 | Tugtupite | Na4BeAlSi4O12Cl |
9.FB.10 | Vladimirivanovite | Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O |
9.FB.15 | Marialite | Na4Al3Si9O24Cl |
9.FB.15 | Meionite | Ca4Al6Si6O24CO3 |
9.FB.15 | Silvialite | (Ca,Na)4(Al6Si6O24)(SO4,CO3) |
Fluorescence of Hackmanite
Both violet square sodalite showed orange-red fluorescence and orange-violet-red fluorescence by UV irradiation. In hackmanite, green fluorescence is thought to be caused by partial substitution of Na+ by Mn, while partial substitution of Al3+ by Fe3+ leads to red luminescence and orange fluorescence is caused by the S2â . Ce3+ causes the fluorescence spectra to show an emission peak around 340 nm, Eu2+ leads to violet fluorescence, and the s2-type ions are associated with blue fluorescence, while the association of Ti3+ with oxygen vacancies may also lead to blue fluorescence.
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Hackmanite
mindat.org URL:
https://www.mindat.org/min-1789.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Hackmanite
Reference List:
Localities for Hackmanite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Afghanistan | |
| [www.thamesvalleyminerals.com] |
| Rob Lavinsky |
| RWMW Collection |
Canada | |
| 162-165. +2 other references |
| [Bancroft & District Mineral Collecting ... |
[Bancroft & District Mineral Collecting ... | |
| mineralogical association of Canada ... |
| Berger (2023) |
| Peterson (1983) |
Greenland | |
| Mandarino (2002) +1 other reference |
Guinea | |
| |
Myanmar | |
| Themelis (2008) |
Harald Schillhammer collection | |
| Themelis (2008) |
Themelis (2008) | |
Themelis (2008) | |
Sieghard Ellenberger data +1 other reference | |
Knut Eldjarn specimen +1 other reference | |
Themelis (2008) | |
Norway | |
| Larsen et al. (2010) |
Larsen et al. (2010) | |
| Larsen et al. (2010) |
| Nordrum (2010) |
Russia | |
| Lennikov et al. (2004) |
| Shlyukova Z.V. (1986) |
| Pavel.M. Kartashov (n.d.) |
Pekov (2000) | |
Pavel.M. Kartashov (n.d.) | |
| Pekov (1998) |
| Pekov (1998) |
Ramsay (1898) +3 other references | |
USA | |
| AmMin 26:437 |
| Meyers et al. (1956) |
| Rutgers Univ. Bull. #5 |
Unnamed Richterite occurrence, Ladjuar Medam, Sar-e-Sang, Kuran wa Munjan District, Badakhshan, Afghanistan