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Near Antsirabe, Vakinankaratra, Madagascari
Regional Level Types
Near Antsirabe- not defined -
VakinankaratraRegion
MadagascarCountry

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Key
Latitude & Longitude:
19° South , 46° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~115km


1. The type material of fluor-liddicoatite (originally described as liddicoatite, Dunn et al., 1977) was found in soils somewhere near Antsirabé city. The exact locality is not known. It may be some of the LCT pegmatites in the Sahatany Pegmatite Field about 25 km SW of Antsirabe city, or the famous Anjanabonoina or nearby pegmatites.

2. Scandian ixiolite was also reported by von Knorring & Sahama (1969) from an undisclosed locality near Antsirabe. The exact locality is not known. It may be one of the pegmatites in the Sahatany Pegmatite Field


Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Fluor-liddicoatite (TL)
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Type Locality:
Reference: Dunn, P. J., Appleman, D.E. & Nelen, J.E. (1977): Liddicoatite, a new calcium end-member of the tourmaline group. American Mineralogist 62, 1121-1124; Henry, D., Novák, M., Hawthorne, F.C., Ertl, A., Dutrow, B.L., Uher, P. & Pezzotta, F. (2011): Nomenclature of the tourmaline supergroup minerals. Am. Mineral., 96, 895-913.
Ixiolite
Formula: (Ta,Nb,Sn,Fe,Mn)4O8
Reference: v. Knorring, O. V., Sahama, Th.G. (1969): Scandian ixiolite from Mozambique and Madagascar. Bulletin of the Geological Society of Finland. 41: 75-77
Ixiolite var: Scandian Ixiolite (of von Knorring)
Formula: (Nb,Ta,Ti,Sc,Fe,Mn)4O8
Reference: v. Knorring, O. V., Sahama, Th.G. (1969): Scandian ixiolite from Mozambique and Madagascar. Bulletin of the Geological Society of Finland. 41: 75-77
'Liddicoatite' ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Dunn, P. J., Appleman, D.E. & Nelen, J.E. (1977): Liddicoatite, a new calcium end-member of the tourmaline group. American Mineralogist 62, 1121-1124.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Ixiolite4.DB.25(Ta,Nb,Sn,Fe,Mn)4O8
var: Scandian Ixiolite (of von Knorring)4.DB.25(Nb,Ta,Ti,Sc,Fe,Mn)4O8
Group 9 - Silicates
Fluor-liddicoatite (TL)9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
'Liddicoatite' ?9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Ixiolite8.1.10.1(Ta,Nb,Sn,Fe,Mn)4O8
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
'Liddicoatite' ?61.3.1.2Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Mixtures, etc.
Fluor-liddicoatite (TL)-Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Ixiolite
var: Scandian Ixiolite (of von Knorring)
-(Nb,Ta,Ti,Sc,Fe,Mn)4O8

List of minerals for each chemical element

HHydrogen
H Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
H LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Li LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
B Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
B LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
O Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
O Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
O LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
FFluorine
F Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
AlAluminium
Al Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Al LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Si Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Si LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
CaCalcium
Ca Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Ca LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
ScScandium
Sc Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
TiTitanium
Ti Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
MnManganese
Mn Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
Mn Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
FeIron
Fe Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
NbNiobium
Nb Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
Nb Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
TaTantalum
Ta Ixiolite (var: Scandian Ixiolite (of von Knorring))(Nb,Ta,Ti,Sc,Fe,Mn)4O8
Ta Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
v. Knorring, O. V., Sahama, Th.G. (1969): Scandian ixiolite from Mozambique and Madagascar. Bulletin of the Geological Society of Finland. 41: 75-77. [on scandian ixiolites found in the Antsirabé area]
Dunn, P. J., Appleman, D. E. & Nelen, J. E. (1977): Liddicoatite, a new calcium end-member of the tourmaline group. American Mineralogist 62, 1121-1124.
Henry, D., Novák, M., Hawthorne, F.C., Ertl, A., Dutrow, B.L., Uher, P. & Pezzotta, F. (2011): Nomenclature of the tourmaline supergroup minerals. Am. Mineral., 96, 895-913.


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