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This page kindly sponsored by Michael J Pabst
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About PabstiteHide

Adolf Pabst
Colourless, white
Crystal System:
Member of:
After Adolf Pabst (1899-1990), American mineralogist.
Benitoite Group. The tin analogue of Benitoite.

Classification of PabstiteHide

Approval Year:

9 : SILICATES (Germanates)
C : Cyclosilicates
A : [Si3O9]6- 3-membered single rings (dreier-Einfachringe), without insular complex anions

59 : CYCLOSILICATES Three-Membered Rings
1 : Three-Membered Rings, anhydrous, no other anions

14 : Silicates not Containing Aluminum
12 : Silicates of Sn

Physical Properties of PabstiteHide

Colourless, white

Optical Data of PabstiteHide

Uniaxial (-)
RI values:
nω = 1.685 nε = 1.674
Max Birefringence:
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
RI is lower in less titanium rich material. see: Pautov, L. (2003): New Data on Minerals: 38: 15-19.

Chemical Properties of PabstiteHide

IMA Formula:

Crystallography of PabstiteHide

Crystal System:
Cell Parameters:
a = 6.7 Å, c = 9.82 Å
a:c = 1 : 1.466
Unit Cell V:
381.76 ų (Calculated from Unit Cell)

Type Occurrence of PabstiteHide

Synonyms of PabstiteHide

Other Language Names for PabstiteHide


Relationship of Pabstite to other SpeciesHide

Member of:
Other Members of this group:
BenitoiteBaTi(Si3O9)Hex. 6 m2 : P62c

Common AssociatesHide

Associated Minerals Based on Photo Data:
Tremolite2 photos of Pabstite associated with Tremolite on

Related Minerals - Nickel-Strunz GroupingHide

9.CA.05BenitoiteBaTi(Si3O9)Hex. 6 m2 : P62c
9.CA.15CalciocatapleiiteCaZr(Si3O9) · 2H2O
9.CA.15CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
9.CA.20PseudowollastoniteCaSiO3Mon. 2/m : B2/b
9.CA.25MargarosanitePb(Ca,Mn2+)2(Si3O9)Tric. 1 : P1
9.CA.30Bobtraillite(Na,Ca)13Sr11(Zr,Y,Nb)14(Si3O9)10(H2BSi2O9)6 · 12H2OTrig. 3m (3 2/m) : P3 1c

Related Minerals - Dana Grouping (8th Ed.)Hide 6 m2 : P62c

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.12.1Brannockite(K,Na)□2Li3(Sn,Zr,Ti)2[Si12O30]Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.12.3StokesiteCaSn[Si3O9] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnna

Other InformationHide

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 PabstiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gross, Eugene Bischoff, John E.N. Wainwright & B.W Evans (1965), Pabstite, the tin analogue of benitoite: American Mineralogist: 50: 1164-1169.
American Mineralogist (1984): 69: 358.
Neues Jahrbuch für Mineralogie, Monatshefte (1987): 16-30.
Pautov, L. (2003): New Data on Minerals: 38: 15-19.

Internet Links for PabstiteHide

Localities for PabstiteHide

ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Issyk-Kul Oblast (Ysyk-Köl Oblast)
    • Inyl'chek Range
      • Muzeinyi Valley
Pavel M. Kartashov data of 2014, L.A. Pautov specimen
  • Baja California (Baja California Norte; BC Norte)
    • Tres Pozos
  • Region of Republican Subordination
    • Tien Shan Mtn
      • Alai Range (Alayskiy)
Pautov L.A. (2003) Pabstite from morain of gletcher Dara-i-Pioz. New data on minerals, 38,p. 5-8.
  • California
    • Santa Cruz Co.
      • Santa Cruz
Gross, Eugene Bischoff & John E.N. Wainwright (1964), Barium-tin-titanium silicate having the benitoite structure (abstract): Geological Society of America, Cordilleran Section Meeting Program, Seattle, March 1964: 36; Gross, E.B., Wainwright, J.E.N., and Evans, B.W. (1965) Pabstite, the tin analogue of benitoite. American Mineralogist: 50: 1164-1169; Gross, E.B., Chesterman, C.W., Dunning, G.E., and Cooper, J.F. (1967) Mineralogy of the Kalkar quarry, Santa Cruz, California. California Division Mines and Geol. Special Report 92: 3-10; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 467.
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