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Carlosturanite

Pictures (4 Images total)

Carlosturanite
Views (File:
1401614614
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Carlosturanite
Bronze metallic crystals; FOV 8 x 6 mm; Cassera Sbiasere,Cuneo Province, Piedmont, Italy
Copyright: Roberto Bosi; Contribution: Roberto Bosi
Collection: Roberto Bosi
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Valle Po/Crissolo/Pian Melzé/Cassera Sbiasere
Mineral: Carlosturanite
Image: 1401614614
License: Usage for Mineralienatlas project only
Carlosturanite

Bronze metallic crystals; FOV 8 x 6 mm; Cassera Sbiasere,Cuneo Province, Piedmont, Italy
Collection: Roberto Bosi
Copyright: Roberto Bosi
Contribution: Roberto Bosi 2014-06-01
Locality: Cassera Sbiasere / Pian Melzé / Crissolo / Valle Po / Cuneo, Provinz / Piemont (Piemonte), Region / Italien
Carlosturanit
Views (File:
1618504172
): 217
Carlosturanit
Carlosturanit; Miniera Auriol,Piemont; BB: 5 cm
Copyright: Rockhounder; Contribution: Rockhounder
Collection: Rockhounder
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Mineral: Carlosturanite
Image: 1618504172
License: Usage for Mineralienatlas project only
Carlosturanit

Carlosturanit; Miniera Auriol,Piemont; BB: 5 cm
Collection: Rockhounder
Copyright: Rockhounder
Contribution: Rockhounder 2021-04-15
Locality: Miniera Auriol / Sampeyre / Val Varaita / Dora-Maira-Massiv / Cuneo, Provinz / Piemont (Piemonte), Region / Italien
Carlosturanit
Views (File:
1707133889
): 25
Carlosturanit
Carlosturanit BB 10 mm Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Copyright: Othmar Atzor; Contribution: anatase2
Collection: anatase2, Collection number: 3188
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Mineral: Carlosturanite
Image: 1707133889
License: Usage for Mineralienatlas project only
Carlosturanit (SNr: 3188)

Carlosturanit BB 10 mm Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Collection: anatase2
Copyright: Othmar Atzor
Contribution: anatase2 2024-02-05
Locality: Miniera Auriol / Sampeyre / Val Varaita / Dora-Maira-Massiv / Cuneo, Provinz / Piemont (Piemonte), Region / Italien
Carlosturanit
Views (File:
1707478689
): 34
Carlosturanit
Carlosturanit 10 mm Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Copyright: Othmar Atzor; Contribution: anatase2
Collection: anatase2, Collection number: 3320
Location: Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Mineral: Carlosturanite
Image: 1707478689
License: Usage for Mineralienatlas project only
Carlosturanit (SNr: 3320)

Carlosturanit 10 mm Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol
Collection: anatase2
Copyright: Othmar Atzor
Contribution: anatase2 2024-02-09
Locality: Miniera Auriol / Sampeyre / Val Varaita / Dora-Maira-Massiv / Cuneo, Provinz / Piemont (Piemonte), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color hellbraun
Streak color weiß
Hardness (Mohs) 2.5
Crystal System monoklin, Cm

Chemism

Chemical formula

(Mg,Fe2+,Ti)21(Si,Al)12O28(OH)34·H2O

Chemical composition

Aluminium, Eisen, Magnesium, Silicium, Titan, Sauerstoff, Wasserstoff

Unit weight: 2136.5539926 u; Number of atoms in the formula: 132

Info

Empirical formula:

(Mg0.6Fe0.3Ti0.1)21(Si0.75Al0.25)12O28(OH)34·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.70

36

27.27

1.0079470

36.2860920
Oxygen

O

47.18

63

47.73

15.9994300

1,007.9640900
Magnesium

Mg

14.33

12.6

9.55

24.3050600

306.2437560
Aluminium

Al

3.79

3

2.27

26.9815382

80.9446146
Silicon

Si

11.83

9

6.82

28.0855300

252.7697700
Titanium

Ti

4.70

2.1

1.59

47.8671000

100.5209100
Iron

Fe

16.47

6.3

4.77

55.8452000

351.8247600

Analysis wt%

Ø MgO : 39.28, FeO : 4.03, TiO2 : 2.24, MnO : 0.72, SiO2 : 35.53, Al2O3 : 1.07, H2O : 16.85 (Ref: American Mineralogist 85)

Strunz 9th edition incl. updates

9.DJ.25

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
J:
25:Carlosturanit-Gruppe

Lapis Classification

VIII/H.27-190

VIII: SILIKATE
H: Schichtsilikate
27: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Serpentin-Gruppe

Classification by Hölzel

9.EF.240

9: SILICATES
E: Phyllosilicates
F: Other Micas without H2O
2: Monoclinic Balangeroite-Group

Dana 8th edition

67.01.02.01

67: Inosilicates Inosilicate Unbranched Chains with W>2
01: Inosilicates Inosilicate Unbranched Chains with W>2 with W=3

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellbraun

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.007~
Birefringence chart\! Carlosturanite title=Birefringence chart Carlosturanite

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

1.600

Ri mean

1.600

2V angle

Biaxial

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

8

Space Group

Cm

Cell parameters a (Å)

36.70

Cell parameters b (Å)

9.41

Cell parameters c (Å)

7.291

Cell parameters a/b or c/a

3.900

Cell parameters c/b

0.775

Cell parameters α

90°

Cell parameters β

101.10

Cell parameters γ

90°

Z

2

Volume (ų)

2470.821

X-Ray Powder Diffraction

18.02(20),
7.17(100),
3.637(20),
3.595(40),
3.397(50),
2.562(40),
2.539(20),
2.280(30)
XRD chart Carlosturanite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.5

Density (g/cm³)

2.63

2.872 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Italien/Piemont (Piemonte), Region/Cuneo, Provinz/Dora-Maira-Massiv/Val Varaita/Sampeyre/Miniera Auriol

Preface

Author (Name, Year)

Compagnoni & Ferraris & Mellini, 1985

References

American Mineralogist 70 (1985), 767

Other languages

German

Carlosturanit

Spanish

Carlosturanita

English

Carlosturanite

French

Carlosturanite

Russian

Карлостуранит

CNMNC (IMA)-Number

IMA 1984-009

CNMNC symbol

Symbol

Csr

Locations with GPS information

IDs

GUSID (Global unique identifier short form) qT5oOvtiUUi6hmU6am4OHw
GUID (Global unique identifier) 3A683EA9-62FB-4851-BA86-653A6A6E0E1F
Database ID 617