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Terranovaite

Collectors Summary

Color farblos, bläulichweiß
Streak color weiß
Cleavages vollkommen {010} und deutlich {001} teilbar
Fracture unregelmäßig
Crystal System orthorhombisch, Cmcm

Chemism

Chemical formula

NaCa(Al3Si17)O40·~8H2O

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 1279.4593188 u; Number of atoms in the formula: 65

Info

Empirical formula:

NaCa(Al3Si17)O40·=8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.16

2

3.08

1.0079470

2.0158940

Oxygen

O

51.27

41

63.08

15.9994300

655.9766300

Sodium

Na

1.80

1

1.54

22.9897702

22.9897702

Aluminium

Al

6.33

3

4.62

26.9815382

80.9446146

Silicon

Si

37.32

17

26.15

28.0855300

477.4540100

Calcium

Ca

3.13

1

1.54

40.0784000

40.0784000

Strunz 9th edition incl. updates

9.GF.05

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
F: [Leucit]-Typ-Gerüste
05:Terranovait-Gruppe

Lapis Classification

VIII/J.22-007

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
22: Zeolith-Gruppe; Faserzeolithe

Classification by Hölzel

9.FL.180

9: SILICATES
F: Tektosilicates
L: Zeolites with 6-Rings

Dana 8th edition

77.01.06.09

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
06: Mordenite and related species

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Zeolite group  ⇒ TER zeolite structure group

Optical Properties

Color

farblos, bläulichweiß

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.007

Birefringence chart\! Terranovaite title=Birefringence chart Terranovaite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.476

RI value β

1.478

RI value γ / ε

1.483

Ri mean

1.479

2V angle

Biaxial (+) 65°

Orientation

X = c, Y = a, Z = b

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

63

Space Group

Cmcm

Cell parameters a (Å)

9.747

Cell parameters b (Å)

23.880

Cell parameters c (Å)

20.068

Cell parameters a/b or c/a

0.408

Cell parameters c/b

0.840

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

4670.995

X-Ray Powder Diffraction

11.9(40),
10.2(60),
9.04(30),
8.23(30),
7.69(30),
6.71(30),
3.79(100),
3.61(40)

XRD chart Terranovaite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

1.98 - 2.13 / Durchschnittlich = 2.05

1.819 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {010} und deutlich {001} teilbar

Fracture

unregelmäßig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Antarktika/Ostantarktis/Viktorialand/Mt. Adamson

Preface

Author (Name, Year)

Galli & Quartieri & Vezzalini & Alberti & Franzini, 1997

References

American Mineralogist 82 (1997), 423

IMA group assignments

Other languages

German

Terranovait

English

Terranovaite

French

Terranovaite

Spanish

Terranovaíta

Russian

Террановаит

CNMNC (IMA)-Number

IMA 1995-026

CNMNC symbol

Symbol

Tnv

Locations with GPS information

IDs

GUSID (Global unique identifier short form) c46TxOFIeUGmLoYpuRZI8Q
GUID (Global unique identifier) C4938E73-48E1-4179-A62E-8629B91648F1
Database ID 3798