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Tschernichite

Pictures (10 Images total)

Tschernichit
Views (Image: 1293229652): 1203
Tschernichit

Größe: 2,64 mm; Fundort: Neer Road, Goble, Columbia Co., Oregon, USA

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-24
Locality: Neer Road / Goble / Columbia Co. / Oregon / USA
Tschernichit
Views (Image: 1314862554): 960
Tschernichit

Größe: 1,95 mm; Fundort: Neer Road, Goble, Columbia Co., Oregon, USA

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-01
Locality: Neer Road / Goble / Columbia Co. / Oregon / USA
Tschernichit
Views (Image: 1353177173): 366
Tschernichit (SNr: A007239)

Dipyramidale farblose Kristalle, BB = 3 mm, Fundort: Neer Road, Goble, Columbia Co., Oregon, USA

Collection: Lithothek der Münchener Micromounter
Copyright: Heribert Rotter
Contribution: Münchener Micromounter 2012-11-17
Locality: Neer Road / Goble / Columbia Co. / Oregon / USA
Tschernichit
Views (Image: 1412859258): 643
Tschernichit

Bildbreite: 3 mm; Fundort: Neer Road, Goble, Columbia Co., Oregon, USA

Copyright: Stephan Wolfsried
Contribution: Hg 2014-10-09
Locality: Neer Road / Goble / Columbia Co. / Oregon / USA
Tschernichit
Views (Image: 1283884852): 3403, Rating: 7.5
Tschernichit

Kristallgröße: 1,9 mm, Fundort: Neer Road, Goble, Columbia Co., Oregon, USA

Collection: Domenico Preite
Copyright: Enrico Bonacina
Contribution: thdun5 2010-09-07
Locality: Neer Road / Goble / Columbia Co. / Oregon / USA
Tschernichit
Views (Image: 1095357266): 670, Rating: 6
Tschernichit

Wasserklare Bipyramiden; Fundort: Neer Road Pit, Goble, Columbia Co., Oregon, USA; Bildbreite ca. 2,5 mm; Stufengröße ca. 12 x 10 x 8 mm

Copyright: Stefan
Contribution: Mineralienatlas 2004-09-16
Locality: Neer Road / Goble / Columbia Co. / Oregon / USA

Collectors Summary

Color farblos, milchweiß
Streak color weiß
Hardness (Mohs) 4.5
Cleavages keine
Fracture muschelig
Crystal System tetragonal, P4/mmm

Chemism

Chem­ical formula

Ca(Si6Al2)O16·8H2O

Chem­ical com­po­si­tion

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 662.6681284 u; Number of atoms in the formula: 49

Info

Empirical formula:

Ca(Si6Al2)O16·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.43

16

32.65

1.0079470

16.1271520

Oxygen

O

57.95

24

48.98

15.9994300

383.9863200

Aluminium

Al

8.14

2

4.08

26.9815382

53.9630764

Silicon

Si

25.43

6

12.24

28.0855300

168.5131800

Calcium

Ca

6.05

1

2.04

40.0784000

40.0784000

Anal­y­sis wt%

Ø SiO2 : 59.93, Al2O3 : 14.94, CaO : 7.43, H2O : 17.92 (Ref: American Mineralogist 93)

Strunz 9th edi­tion incl. updates

9.GF.30

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
F: [Leucit]-Typ-Gerüste
30:Tschernichit-Gruppe

Lapis Clas­sifica­tion

VIII/J.26-040

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
26: Zeolith-Gruppe; Würfelzeolithe

Clas­sifica­tion by Hölzel

9.FJ.400

9: SILICATES
F: Tektosilicates
J: Singly connected 4-Ring Chains

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Zeolite group  ⇒ BEA zeolite structure group

Optical Properties

Color

farblos, milchweiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.001

Birefringence chart\! Tschernichite title=Birefringence chart Tschernichite

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

1.484

RI value γ / ε

1.483

Ri mean

1.484

2V angle

Uniaxial (-)

Optical Data Luminescence

Lumi­nes­cence

manchmal fluoreszierend, Kurzwelliges UV=blassgelb, Langwelliges UV=blassgelb

Color LW-UV (365nm)

 

blassgelb

LW-UV Intensity

sehr schwach

Color SW-UV (254nm)

 

blassgelb

SW-UV Intensity

sehr schwach

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/mmm

Space Group number

123

Space Group

P4/mmm

Cell param­e­ters a (Å)

12.880

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

25.020

Cell param­e­ters a/b or c/a

1.943

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

4150.678

X-Ray Pow­der Diffrac­tion

12.5(10),
11.6(30),
4.22(10),
4.03(100),
3.569(10),
3.156(20),
3.062(10),
2.114(20)

XRD chart Tschernichite

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)

4.5

VHN (Hard­ness Vick­ers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.02

2.121 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

muschelig

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

USA/Oregon/Columbia Co./Goble/Neer Road

Preface

Author (Name, Year)

Smith & Pluth & Boggs & Howard, 1991

References

Chemical Communications (1991), 363

IMA group assignments

Other languages

German

Tschernichit

Spanish

Tschernichita

English

Tschernichite

French

Tschernichite

Russian

Черничит

CNMNC (IMA)-Number

IMA 1989-037

CNMNC symbol

Symbol

Tni

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

German pages

DeWikiPedia - search for: Tschernichit
Google-Bilder-Suche - search for: Tschernichit
Mineralienatlas.de (Forum) - search for: Tschernichit

English pages

Mindat - search for: Tschernichite
Webmineral - search for:Tschernichite
Handbook-of-Mineralogy - search for: Tschernichite
RRUFF - Raman, XRD and other mineral data - search for: Tschernichite
RRUFF - References and PDF downloads - search for: Tschernichite
American-Mineralogist-Crystal-Structure-Database - search for: Tschernichite
Strahlen.org - search for: Tschernichite

Russian pages

Webmineral.ru - search for: Черничит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Tschernichit
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Edelsteine Neuburg - Gundolf Fischer - search for: Tschernichit

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