Fluor-tsilaisite
This page is currently not sponsored. Click here to sponsor this page.
Formula:
Na(Mn2+)3Al6(Si6O18)(BO3)3(OH)3F
Colour:
Greenish yellow
Lustre:
Vitreous
Hardness:
7
Specific Gravity:
3.134 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
For being the F analogue of tsilaisite.
The F analogue of tsilaisite.
Related to tsilaisite through the substitution WF ↔ W(OH) and with fluor-elbaite through the substitution Y(Al + Li) ↔ 2YMn2+, and appears to be a stepwise intermediate during tourmaline evolution from tsilaisite to fluor-elbaite.
Related to tsilaisite through the substitution WF ↔ W(OH) and with fluor-elbaite through the substitution Y(Al + Li) ↔ 2YMn2+, and appears to be a stepwise intermediate during tourmaline evolution from tsilaisite to fluor-elbaite.
Classification of Fluor-tsilaisite
Approved
Approval Year:
2012
8/E.19-X
9.CK.05
9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
9 : SILICATES (Germanates)
C : Cyclosilicates
K : [Si6O18]12- 6-membered single rings, with insular complex anions
Physical Properties of Fluor-tsilaisite
Vitreous
Colour:
Greenish yellow
Streak:
White
Hardness:
7 on Mohs scale
Comment:
~7
Fracture:
Sub-Conchoidal
Density:
3.134 g/cm3 (Calculated)
Optical Data of Fluor-tsilaisite
Type:
Uniaxial (-)
Pleochroism:
Visible
Comments:
In plane-polarized light, O = pale greenish yellow and E = very pale greenish yellow
Chemical Properties of Fluor-tsilaisite
Formula:
Na(Mn2+)3Al6(Si6O18)(BO3)3(OH)3F
IMA Formula:
NaMn2+3Al6(Si6O18)(BO3)3(OH)3F
Crystallography of Fluor-tsilaisite
Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3m
Cell Parameters:
a = 15.9398(6) Å, c = 7.1363(3) Å
Ratio:
a:c = 1 : 0.448
Unit Cell V:
1570.25 ų
Z:
3
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.339 | (34) |
4.212 | (57) |
3.985 | (74) |
3.455 | (58) |
2.945 | (57) |
2.575 | (100) |
2.036 | (36) |
1.915 | (29) |
Type Occurrence of Fluor-tsilaisite
Place of Conservation of Type Material:
Type material is deposited in the collections of the Museo di Scienze della Terra, settore Mineralogico Petrografico ‘‘Carlo Lorenzo Garavelli’’, Campus Universitario, Bari, Italy, catalogue number NM16.
Geological Setting of Type Material:
In an aplitic dyke of a LCT-type granite pegmatite
Associated Minerals at Type Locality:
Synonyms of Fluor-tsilaisite
Relationship of Fluor-tsilaisite to other Species
Member of:
Other Members of this group:
Adachiite | CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Bosiite | NaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Chromium-dravite | Na(Mg3)Cr3+6(Si6O18)(BO3)3(OH)3(OH) | Trig. |
Chromo-alumino-povondraite | Na(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Darrellhenryite | Na(LiAl2)Al6(BO3)3Si6O18(OH)3O | Trig. 3m : R3m |
Dravite | Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Feruvite | Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Fluor-buergerite | Na(Fe3+3)Al6(Si6O18)(BO3)3O3F | Trig. 3m : R3m |
Fluor-dravite | Na(Mg3)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
Fluor-elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
Fluor-feruvite | Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3F | |
Fluor-liddicoatite | Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
Fluor-schorl | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
Fluor-uvite | Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
Foitite | (□,Na)(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OH | Trig. 3m : R3m |
Liddicoatite | Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Lucchesiite | CaFe2+3 Al6(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Luinaite-(OH) | Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH) | Mon. m : Bm |
Magnesio-foitite | (□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. |
Maruyamaite | K(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3O | Trig. 3m : R3m |
Olenite | Na(Al3)Al6(Si6O18)(BO3)3O3(OH) | Trig. |
Oxy-chromium-dravite | Na(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Oxy-dravite | Na(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Oxy-foitite | □(Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3O | Trig. 3m (3 2/m) : R3m |
Oxy-rossmanite | ☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O | |
Oxy-schorl | Na(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Oxy-uvite | CaMg3Al6(Si6O18)(BO3)3(OH)3O | |
Oxy-vanadium-dravite | Na(V)3(V4Mg2)Si6O18(BO3)3(OH)3O | Trig. 3m : R3m |
Povondraite | NaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3O | Trig. |
Rossmanite | ☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Schorl | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
Tsilaisite | Na(Mn2+)3Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
UM2000-64-SiO:BFeHKMg | K, Mg, Fe, Si, B, O, H | |
Unnamed (Pb-dominant Tourmaline) | (Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH) | |
Uvite Series | Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH) | Trig. 3m : R3m |
Vanadio-oxy-chromium-dravite | Na(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
Vanadio-oxy-dravite | NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m |
Related Minerals - Nickel-Strunz Grouping
9.CK. | Fluor-schorl | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
9.CK. | Darrellhenryite | Na(LiAl2)Al6(BO3)3Si6O18(OH)3O | Trig. 3m : R3m |
9.CK. | Adachiite | CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Fluor-buergerite | Na(Fe3+3)Al6(Si6O18)(BO3)3O3F | Trig. 3m : R3m |
9.CK.05 | Chromium-dravite | Na(Mg3)Cr3+6(Si6O18)(BO3)3(OH)3(OH) | Trig. |
9.CK.05 | Dravite | Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Feruvite | Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Foitite | (□,Na)(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OH | Trig. 3m : R3m |
9.CK.05 | Liddicoatite | Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Olenite | Na(Al3)Al6(Si6O18)(BO3)3O3(OH) | Trig. |
9.CK.05 | Povondraite | NaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3O | Trig. |
9.CK.05 | Schorl | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Magnesio-foitite | (□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. |
9.CK.05 | Rossmanite | ☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Tsilaisite | Na(Mn2+)3Al6(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Oxy-vanadium-dravite | Na(V)3(V4Mg2)Si6O18(BO3)3(OH)3O | Trig. 3m : R3m |
9.CK.05 | Oxy-dravite | Na(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
9.CK.05 | Oxy-rossmanite | ☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O | |
9.CK.05 | Luinaite-(OH) | Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH) | Mon. m : Bm |
9.CK.05 | Fluor-elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
9.CK.05 | Chromo-alumino-povondraite | Na(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
9.CK.05 | Fluor-dravite | Na(Mg3)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
9.CK.05 | Oxy-schorl | Na(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
9.CK.05 | Fluor-liddicoatite | Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
9.CK.05 | Oxy-chromium-dravite | Na(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
9.CK.05 | Vanadio-oxy-chromium-dravite | Na(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m : R3m |
9.CK.05 | Uvite (OH-dominant end-member) | Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(OH) | Trig. 3m : R3m |
9.CK.05 | Fluor-uvite | Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F | Trig. 3m : R3m |
9.CK.05 | Vanadio-oxy-dravite | NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O | Trig. 3m |
9.CK.10 | Abenakiite-(Ce) | Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)O | Trig. 3 : R3 |
9.CK.15 | Scawtite | Ca7(Si3O9)2CO3 · 2H2O | Mon. 2/m |
9.CK.20 | Steenstrupine-(Ce) | Na14Mn2+2(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2 · 2H2O | Trig. |
9.CK.20 | Thorosteenstrupine | (Ca,Th,Mn)3Si4O11F · 6H2O |
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.
References for Fluor-tsilaisite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bosi, F., Andreozzi, G.B., Agros, G. and Scandale, E. (2012) Fluor-tsilaisite, IMA 2012-044. CNMNC Newsletter No. 14, October 2012, page 1287; Mineralogical Magazine, 76, 1281-1288.
Bosi, F., Andreozzi, G.B., Agrosì, G. and Scandale (2015): Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality. Mineralogical Magazine. 79, 89-101
Internet Links for Fluor-tsilaisite
mindat.org URL:
https://www.mindat.org/min-43353.html
Please feel free to link to this page.
Please feel free to link to this page.
External Links:
Mineral Dealers:
Localities for Fluor-tsilaisite
Locality List




All localities listed without proper references should be considered as questionable.
Italy | |
| Guastoni, A., Pozzi, G., Secco, L., Schiazza, M., Pennacchioni, G., Fioretti, A. M., & Nestola, F. (2016). Monazite-(Ce) and Xenotime-(Y) From An Lct, NYF Tertiary Pegmatite Field: Evidence From A Regional Study In the Central Alps (Italy and Switzerland). The Canadian Mineralogist, 54(4), 863-877. |
| Bosi, F., Andreozzi, G.B., Agros, G. and Scandale, E. (2012) Fluor-tsilaisite, IMA 2012-044. CNMNC Newsletter No. 14, October 2012, page 1287; Mineralogical Magazine, 76, 1281-1288; Bosi, F., Andreozzi, G.B., Agrosì, G. and Scandale (2015): Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality. Mineralogical Magazine. 79, 89-101 |