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Trabzonite

Pictures (1 Images total)

Trabzonit
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Trabzonit
weiße Massen von Trabzonit, Güneyce-Ikizdere, Rize, Schwarzmeerregion, Türkei; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Türkei/Schwarzmeerregion/Rize, Provinz/Güneyce-Ikizdere
Mineral: Trabzonite
Image: 1579898222
License: Usage for Mineralienatlas project only
Trabzonit

weiße Massen von Trabzonit, Güneyce-Ikizdere, Rize, Schwarzmeerregion, Türkei; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-01-24
Locality: Güneyce-Ikizdere / Rize, Provinz / Schwarzmeerregion / Türkei

Collectors Summary

Color farblos
Streak color weiß
Lustre Glasglanz
Crystal System monoklin, P21, P21/m
Morphology unregelmäßig geformte Körnchen, die eine Größe zwischen 0,1 und 0,2mm aufweisen

Chemism

Chemical formula

Ca4Si3O10·2H2O

Chemical composition

Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 440.595138 u; Number of atoms in the formula: 23

Info

Empirical formula:

Ca4Si3O10·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.92

4

17.39

1.0079470

4.0317880
Oxygen

O

43.58

12

52.17

15.9994300

191.9931600
Silicon

Si

19.12

3

13.04

28.0855300

84.2565900
Calcium

Ca

36.39

4

17.39

40.0784000

160.3136000

Analysis wt%

CaO : 50.20, SiO2 : 40.38, H2O : 7.00 (Ref: BGS Turkey,87)

Strunz 9th edition incl. updates

9.BJ.15

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
J: Gruppen(Soro)-Silikate mit Si3O10, Si4O11, etc. Anionen; Kationen in oktahedraler [6] und/oder größerer Koordination
15:Trabzonit-Gruppe

Lapis Classification

VIII/F.18-095

VIII: SILIKATE
F: Ketten- und Bandsilikate
18: Dreierketten [Si3O9] 6-

Classification by Hölzel

9.BP.140

9: SILICATES
B: Sorosilicates
P: Si3O10-Group

Dana 8th edition

57.01.03.01

57: Sorosilicates Sorosilicate Insular Si3O10 and Larger Noncyclic Groups
01: Sorosilicates Sorosilicate Insular Si3O10 and Larger Noncyclic Groups with [Si3O10] groups

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Lustre

Glasglanz

max. Birefringence

0.008
Birefringence chart\! Trabzonite title=Birefringence chart Trabzonite

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

1.632

RI value β

1.634

RI value γ / ε

1.640

Ri mean

1.635

2V angle

Biaxial (+) 55°

Crystallography

Crystal System

monoklin

Class (H-M)

2, 2/m

Space Group number

4, 11

Space Group

P21, P21/m

Cell parameters a (Å)

6.895

Cell parameters b (Å)

20.640

Cell parameters c (Å)

6.920

Cell parameters a/b or c/a

0.334

Cell parameters c/b

0.335

Cell parameters α

90°

Cell parameters β

98.0

Cell parameters γ

90°

Z

4

Volumne (ų)

975.221

X-Ray Powder Diffraction

5.71(30),
3.442(60),
3.062(100),
2.912(30),
2.851(50),
2.635(50),
2.585(90),
2.064(20)
XRD chart Trabzonite

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

Morphology

unregelmäßig geformte Körnchen, die eine Größe zwischen 0,1 und 0,2mm aufweisen

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.9 (gemessen)

3.001 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Türkei/Schwarzmeerregion/Rize, Provinz/Güneyce-Ikizdere

Preface

Associations

Spurrit, Rustumit, Calcit, Vesuvianit, Hillebrandit, Defernit, Killalait, Granat, Perowskit, Molybdänit

Name from

Typlokalität

Author (Name, Year)

Sarp & Burri, 1987

References

Bulletin of the Geological Society of Turkey 30 (1987), 57

Other languages

German

Trabzonit

Spanish

Trabzonita

French

Trabzonite

English

Trabzonite

CNMNC (IMA)-Number

IMA 1983-071a

CNMNC symbol

Symbol

Trb

Locations with GPS information