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Clinohedrite (Clinohedrit)

Pictures (1 Images total)

Klinoedrit (rosa) und Epidot-(Pb) (orange)
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Klinoedrit (rosa) und Epidot-(Pb) (orange)
Größe: 44x28 mm; Fundort: Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Copyright: Rock Currier; Contribution: slugslayer
Location: USA/New Jersey/Sussex Co./Franklin Mining District/Franklin
Mineral: Clinohedrite, Hancockite
Image: 1284059378
License: Usage for Mineralienatlas project only
Klinoedrit (rosa) und Epidot-(Pb) (orange)

Größe: 44x28 mm; Fundort: Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Copyright: Rock Currier
Contribution: slugslayer 2010-09-09
Locality: Franklin / Franklin Mining District / Sussex Co. / New Jersey / USA

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 5.5
Solubility +++ HCl
Crystal System monoklin, Cc

Chemism

Chemical formula

CaZnSiO4·H2O

Chemical composition

Calcium, Silicium, Zink, Sauerstoff, Wasserstoff

Unit weight: 215.586374 u; Number of atoms in the formula: 10

Info

Empirical formula:

CaZnSiO4·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.94

2

20.00

1.0079470

2.0158940
Oxygen

O

37.11

5

50.00

15.9994300

79.9971500
Silicon

Si

13.03

1

10.00

28.0855300

28.0855300
Calcium

Ca

18.59

1

10.00

40.0784000

40.0784000
Zinc

Zn

30.34

1

10.00

65.4094000

65.4094000

Analysis wt%

CaO : 26.02, ZnO : 37.75, SiO2 : 27.88, H2O : 8.36 (Ref: berechnet)

Strunz 9th edition incl. updates

9.AE.30

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
E: Insel(Neso)silikate mit zusätzlichem (O,OH,F,H2O); Kationen in tetrahedralrt [4] und meist größerer Koordination
30:Klinoedrit-Gruppe

Lapis Classification

VIII/B.03-030

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
3: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]

Classification by Hölzel

9.AE.210

9: SILICATES
A: Nesosilicates
E: Unclassified, without other Anions

Dana 8th edition

52.02.01.02

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
02: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
01: Euclase group

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefringence

0.007
Birefringence chart\! Clinohedrite title=Birefringence chart Clinohedrite

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

1.662

RI value β

1.667

RI value γ / ε

1.669

Ri mean

1.666

2V angle

Biaxial (-) 85°

Optical Data Luminescence

Color LW-UV (365nm)

  

orange

LW-UV Intensity

schwach

Color SW-UV (254nm)

  

orange

SW-UV Intensity

stark

Most Common Activator

Mn2+

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

9

Space Group

Cc

Cell parameters a (Å)

5.090

Cell parameters b (Å)

15.829

Cell parameters c (Å)

5.386

Cell parameters a/b or c/a

0.322

Cell parameters c/b

0.340

Cell parameters α

90°

Cell parameters β

103.27

Cell parameters γ

90°

Z

4

Volumne (ų)

422.361

X-Ray Powder Diffraction

7.81(50),
3.97(50),
3.23(70),
2.755(100),
2.500(60),
2.470(40),
2.360(50),
1.990(40)
XRD chart Clinohedrite

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)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.31 (gemessen)

3.39 ( ρ calc. Mineralienatlas )

Instability

+++ HCl

(Co-)Type locality

(Co-)Type locality

USA/New Jersey/Sussex Co./Franklin Mining District/Franklin/Franklin Marble/Furnace Quarry

USA/New Jersey/Sussex Co./Franklin Mining District/Franklin/Franklin Mine/Trotter Mine

Preface

Author (Name, Year)

Breithaupt, 1866

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 147

Other languages

Spanish

Clinoedrita

French

Clinohedrite

English

Clinohedrite

German

Klinoedrit

Russian

Клиноэдрит

Alternative Name

German

Clinohedrit

Clinohedrita

CNMNC symbol

Symbol

Cnh

Locations with GPS information