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Tyrolite-2M (Tirolit-2M)

Collectors Summary

Color abfelgrün, grünlichblau, himmelblau
Solubility +++ Säuren, NH4OH
Crystal System monoklin, C2/c

Additional information / Summary

Bekannte Polytypen:

Chemism

Chemical formula

Ca2Cu9(AsO4)4(OH)8(CO3)(H2O)11·1-2H2O

Chemical composition

Arsen, Calcium, Kupfer, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 1629.010424 u; Number of atoms in the formula: 88.5

Info

Empirical formula:

Ca2Cu9(AsO4)4(OH)8(CO3)(H2O)11·1.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.04

33

37.29

1.0079470

33.2622510

Carbon

C

0.74

1

1.13

12.0107800

12.0107800

Oxygen

O

38.80

39.5

44.63

15.9994300

631.9774850

Calcium

Ca

4.92

2

2.26

40.0784000

80.1568000

Copper

Cu

35.11

9

10.17

63.5463000

571.9167000

Arsenic

As

18.40

4

4.52

74.9216020

299.6864080

Classification by Hölzel

8.DK.803

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
K: very large=2 - very small-medium=2,3
8: Tyrolite-Group

Mineral status

Polytype

Variety / polytype of

Tyrolite

Optical Properties

Color

abfelgrün, grünlichblau, himmelblau

max. Birefringence

0.036

Birefringence chart\! Tyrolite-2M title=Birefringence chart Tyrolite-2M

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

1.694

RI value β

1.726

RI value γ / ε

1.730

Ri mean

1.717

2V angle

Biaxial (-) 36°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

54.520

Cell parameters b (Å)

5.5638

Cell parameters c (Å)

10.4647

Cell parameters a/b or c/a

9.799

Cell parameters c/b

1.881

Cell parameters α

90°

Cell parameters β

96.432°

Cell parameters γ

90°

Z

4

Volumne (ų)

3154.364

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

3.327 (berechnet)

3.43 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, NH4OH

Preface

Name from

Tirol in Österreich

References

American Mineralogist 91 (2006), 1378

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

Tyrolite

Ca2Cu9(AsO4)4(OH)8(CO3)(H2O)11·1-2H2O

monoklin : 2/m : P2/c

8.DK.800

'Tyrolite-2M' (Pol.v. Tyrolite)

Ca2Cu9(AsO4)4(OH)8(CO3)(H2O)11·1-2H2O

monoklin : 2/m : C2/c

8.DK.803

Tangdanite

Ca2Cu9(AsO4)4(SO4)0.5(OH)9·9H2O

monoklin : 2/m : C2/c

8.DK.805

'Clinotyrolite'

Ca2Cu9[(As,S)O4]4(O,OH)10·10H2O

monoklin : m, 2/m : Pa, P2/a

8.DK.820

Other languages

German

Tirolit-2M

English

Tyrolite-2M

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

German pages

DeWikiPedia - search for: Tirolit-2M
Google-Bilder-Suche - search for: Tirolit-2M
Mineralogisch-Petrographisches-Institut Hamburg - search for: Tirolit-2M

English pages

Mindat - search for: Tyrolite-2M
Webmineral - search for:Tyrolite-2M
Handbook-of-Mineralogy - search for: Tyrolite-2M
RRUFF - Raman, XRD and other mineral data - search for: Tyrolite-2M
RRUFF - References and PDF downloads - search for: Tyrolite-2M
American-Mineralogist-Crystal-Structure-Database - search for: Tyrolite-2M
Athena - search for: Tyrolite-2M

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Tirolit-2M
Crystal-Treasure.com - search for: Tirolit-2M
Bosse - search for: Tirolit-2M



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