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Tazzoliite

Additional Functions

Collectors Summary

Cleavages vollkommen (010)
Crystal System orthorhombisch, Fmmm

Chemism

Chem­ical formula

Ba4-xNaxTi2Nb3SiO17[PO2(OH)2]x(OH)(1-2x) (0≤x≤0.5)

Addi­tional chem. informa­tion

verwandt mit Pyrochlor

Chem­ical com­po­si­tion

Barium, Natrium, Niob, Silicium, Titan, Phosphor, Sauerstoff, Wasserstoff

Strunz 9th edi­tion incl. updates

4.D.

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare

Clas­sifica­tion by Hölzel

4.CI.150

4: OXIDES
C: R2O3 Sesquioxides
I: Microlite-Group, Ta-dominant on the B-site

IMA sta­tus

anerkannt - CNMNC - New minerals and nomenclature modifications approved in Jun. 2011

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

2V angle

Biaxial (-) 50°

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

69

Space Group

Fmmm

Cell param­e­ters a (Å)

7.412

Cell param­e­ters b (Å)

20.063

Cell param­e­ters c (Å)

21.440

Cell param­e­ters a/b or c/a

0.369

Cell param­e­ters c/b

1.069

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

3188.277

Kristall struc­ture

Neuer Strukturtyp verwandt mit Pyrochlor

X-Ray Pow­der Diffrac­tion

3.66(60), 3.16(30), 3.05(100), 2.979(25), 2.835(50), 1.854(25), 1.822(25)

XRD chart Tazzoliite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

VHN (Hard­ness Vick­ers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Cleav­ages

vollkommen (010)

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

Italien/Venetien (Veneto), Region/Padua (Padova), Provinz/Euganeische Hügel (Colli Euganei)/Monte delle Basse

Type mate­r­ial

Museo di Mineralogia di Padova, Padova, Italien

Col­lec­tion number of type mate­r­ial

9426

Preface

Author (Name, Year)

F. Cámara, F. Nestola, A. Guastoni, F. Zorzi, L. Bindi and D. Pedron (2011)

References

Cámara, F., Nestola, F., Guastoni, A., Zorzi, F., Bindi, L. and Pedron, D. (2011) Tazzoliite, IMA 2011-018. CNMNC Newsletter No. 10, October 2011, page 2552;

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Fluorcalciomicrolite

(Ca,Na)2Ta2(O,OH)6F

kubisch : m3m : Fd3m

4.CI.120

Oxycalciomicrolite

Ca2Ta2O7

kubisch : m3m : Fd3m

4.CI.140

Tazzoliite

Ba4-xNaxTi2Nb3SiO17[PO2(OH)2]x(OH)(1-2x) (0≤x≤0.5)

orthorhombisch : mmm : Fmmm

4.CI.150

CNMNC (IMA)-Number

IMA 2011-018

CNMNC symbol

Symbol

Tzo

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Tazzoliit
Google-Bilder-Suche - search for: Tazzoliit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Tazzoliit

English pages

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Handbook-of-Mineralogy - search for: Tazzoliite
RRUFF - Raman, XRD and other mineral data - search for: Tazzoliite
RRUFF - References and PDF downloads - search for: Tazzoliite
American-Mineralogist-Crystal-Structure-Database - search for: Tazzoliite
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German pages

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