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Teruggite

Pictures (1 Images total)

Teruggit
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1585408405
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Teruggit
Probe mit weißen Massen von Teruggit, Loma Blanca, Coranzuli, Jujuy, Argentinien; BB ~ 2,5 cm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Argentinien/Jujuy, Provinz/Susques, Departamento/Coranzuli/Loma Blanca Borat-Lagerstätte
Mineral: Teruggite
Image: 1585408405
License: Usage for Mineralienatlas project only
Teruggit

Probe mit weißen Massen von Teruggit, Loma Blanca, Coranzuli, Jujuy, Argentinien; BB 2,5 cm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-28
Locality: Loma Blanca Borat-Lagerstätte / Coranzuli / Susques, Departamento / Jujuy, Provinz / Argentinien

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 2.5
Solubility +++ HCl, + warmes H2O
Crystal System monoklin, P21/a

Chemism

Chemical formula

Ca4MgAs2B12O22(OH)12·12H2O

Chemical composition

Arsen, Calcium, Magnesium, Bor, Sauerstoff, Wasserstoff

Unit weight: 1236.462136 u; Number of atoms in the formula: 101

Info

Empirical formula:

Ca4MgAs2B12O22(OH)12·12H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.93

36

35.64

1.0079470

36.2860920

Boron

B

10.49

12

11.88

10.8117000

129.7404000

Oxygen

O

59.52

46

45.54

15.9994300

735.9737800

Magnesium

Mg

1.97

1

0.99

24.3050600

24.3050600

Calcium

Ca

12.97

4

3.96

40.0784000

160.3136000

Arsenic

As

12.12

2

1.98

74.9216020

149.8432040

Analysis wt%

CaO : 17.51, MgO : 3.16, B2O3 : 32.76, As2O5 : 17.93, H2O : 28.29 (Ref: American Mineralogist 68)

Strunz 9th edition incl. updates

6.FA.25

6: Borate
F: Hexaborate
A: Insel(Neso)-Hexaborate
25:Teruggit-Gruppe

Lapis Classification

V/H.18-010

V: NITRATE, CARBONATE UND BORATE
H: Gruppenborate
18: Planare und tetraedrische Gruppen [B3O5] 1- bis [B6O10] 2-

Classification by Hölzel

6.FA.200

6: Borates
F: Hexaborates
A: Nesohexaborates
2: Teruggite-Group - 6(2P+4T) (branched AsO4)

Dana 8th edition

27.01.06.01

27: Compound Borates
01: Compound Borates

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefringence

0.025

Birefringence chart\! Teruggite title=Birefringence chart Teruggite

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

1.526

RI value β

1.528

RI value γ / ε

1.551

Ri mean

1.535

2V angle

Biaxial (+) 33°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell parameters a (Å)

15.68

Cell parameters b (Å)

19.90

Cell parameters c (Å)

6.25

Cell parameters a/b or c/a

0.788

Cell parameters c/b

0.314

Cell parameters α

90°

Cell parameters β

100.8

Cell parameters γ

90°

Z

2

Volume (ų)

1915.657

X-Ray Powder Diffraction

12.13(100),
9.98(20),
8.37(20),
4.65(20),
4.571(20),
3.853(20),
3.577(20),
2.785(30)

XRD chart Teruggite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.149 (gemessen)

2.143 ( ρ calc. Mineralienatlas )

Instability

+++ HCl, + warmes H2O

Preface

Author (Name, Year)

Aristarain & Hurlbut, 1968

References

American Mineralogist 53 (1968), 1815

Other languages

German

Teruggit

Spanish

Teruggita

English

Teruggite

French

Teruggite

Russian

Теруггит

CNMNC (IMA)-Number

IMA 1968-007

CNMNC symbol

Symbol

Tgg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) t3OrcfmApkq8MxYy-4hDhQ
GUID (Global unique identifier) 71AB73B7-80F9-4AA6-BC33-1632FB884385
Database ID 3801