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Yugawaralite

Pictures (24 Images total)

Yugawaralith XX
Views (File:
1167273475
): 1571
Yugawaralith XX
Größe: 12x9 cm, Kristalle bis 1 cm; Fundort: Kandivli, Bombay, Indien
Copyright: Sandro Maggia; Contribution: Philip Blümner
Location: Indien/Maharashtra/Mumbai (Bombay), Distrikt/Mumbai (Bombay), Stadt/Malad/Steinbruch Kandivali
Mineral: Yugawaralite
Image: 1167273475
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Yugawaralith XX

Größe: 12x9 cm, Kristalle bis 1 cm; Fundort: Kandivli, Bombay, Indien

Copyright: Sandro Maggia
Contribution: Philip Blümner 2006-12-28
Locality: Steinbruch Kandivali / Malad / Mumbai (Bombay), Stadt / Mumbai (Bombay), Distrikt / Maharashtra / Indien
Yugawaralith
Views (File:
1277222430
): 1996
Yugawaralith
Kristallgröße: 2 mm, Fundort: Cava di Crastu Muradu, Osilo, Sassari Provinz, Sardinien, Italien
Copyright: Domenico Preite; Contribution: thdun5
Location: Italien/Sardinien (Sardegna), Region/Sassari, Provinz/Osilo/Cava di Crastu Muradu
Mineral: Yugawaralite
Image: 1277222430
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Yugawaralith

Kristallgröße: 2 mm, Fundort: Cava di Crastu Muradu, Osilo, Sassari Provinz, Sardinien, Italien
Copyright: Domenico Preite
Contribution: thdun5 2010-06-22
Locality: Cava di Crastu Muradu / Osilo / Sassari, Provinz / Sardinien (Sardegna), Region / Italien
Yugawaralith
Views (File:
1220040962
): 1622, Rating: 8
Yugawaralith
Größe: 19,8 mm; Fundort: Mahodari, Nasik, Maharashtra, Indien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Indien/Maharashtra/Nashik (Nasik), Distrikt/Mahodari
Mineral: Yugawaralite
Image: 1220040962
Rating: 8 (votes: 4)
License: Usage for Mineralienatlas project only
Yugawaralith

Größe: 19,8 mm; Fundort: Mahodari, Nasik, Maharashtra, Indien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-29
Locality: Mahodari / Nashik (Nasik), Distrikt / Maharashtra / Indien
Yugawaralith
Views (File:
1295986895
): 1020
Yugawaralith
Farblose tafelige Kristalle, BB = 2,5 mm; Fundort: Road Quarry, Wolf Point, Cowlitz County, Washington, USA
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A019163, Donator: Elmar Lackner
Location: USA/Washington/Cowlitz Co./Wolf Point/Road Quarry
Mineral: Yugawaralite
Image: 1295986895
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Yugawaralith (SNr: A019163)

Farblose tafelige Kristalle, BB = 2,5 mm; Fundort: Road Quarry, Wolf Point, Cowlitz County, Washington, USA
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2011-01-25
Locality: Road Quarry / Wolf Point / Cowlitz Co. / Washington / USA
Yugawaralith
Views (File:
1279623235
): 902, Rating: 7
Yugawaralith
Größe: 4,1 mm; Fundort: Coderatal, Novate Mezzola, Sondrio, Provinz, Lombardei (Lombardia), Region, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Lombardei (Lombardia), Region/Sondrio, Provinz/Novate Mezzola/Coderatal
Mineral: Yugawaralite
Image: 1279623235
Rating: 7 (votes: 4)
License: Usage for Mineralienatlas project only
Yugawaralith

Größe: 4,1 mm; Fundort: Coderatal, Novate Mezzola, Sondrio, Provinz, Lombardei (Lombardia), Region, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2010-07-20
Locality: Coderatal / Novate Mezzola / Sondrio, Provinz / Lombardei (Lombardia), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, weiß
Streak color weiß
Lustre Glasglanz bis Perlmuttglanz
Hardness (Mohs) 4.5
Solubility +++ Säuren
Crystal System monoklin, Pc

Chemism

Chemical formula

CaAl2Si6O16·4H2O

Chemical composition

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 590.6068324 u; Number of atoms in the formula: 37

Info

Empirical formula:

CaAl2Si6O16·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.37

8

21.62

1.0079470

8.0635760
Oxygen

O

54.18

20

54.05

15.9994300

319.9886000
Aluminium

Al

9.14

2

5.41

26.9815382

53.9630764
Silicon

Si

28.53

6

16.22

28.0855300

168.5131800
Calcium

Ca

6.79

1

2.70

40.0784000

40.0784000

Analysis wt%

SiO2 : 59.29, Al2O3 : 17.43, CaO : 9.90, H2O : 12.95 (Ref: J.Jap.Ass.Min.Petr.Econ.Geol.66)

Strunz 9th edition incl. updates

9.GB.15

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
B: Ketten von einfach verbundenen vierer-Ringen
15:Yugawaralith-Gruppe

Lapis Classification

VIII/J.25-090

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
25: Zeolith-Gruppe; Blätterzeolithe

Classification by Hölzel

9.FJ.260

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  ⇒ YUG zeolite structure group

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz bis Perlmuttglanz

max. Birefringence

0.010
Birefringence chart\! Yugawaralite title=Birefringence chart Yugawaralite

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

1.492

RI value β

1.498

RI value γ / ε

1.502

Ri mean

1.497

2V angle

Biaxial (-) 71°

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

7

Space Group

Pc

Cell parameters a (Å)

6.729

Cell parameters b (Å)

14.008

Cell parameters c (Å)

10.050

Cell parameters a/b or c/a

0.480

Cell parameters c/b

0.717

Cell parameters α

90°

Cell parameters β

111.18

Cell parameters γ

90°

Z

2

Volume (ų)

883.32

X-Ray Powder Diffraction

6.99(60),
5.82(90),
4.68(80),
4.65(80),
4.30(60),
3.235(50),
3.056(100),
2.907(60)
XRD chart Yugawaralite

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)

2.23

2.22 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Japan/Honshū (Honschu), Insel/Kanto, Region/Kanagawa, Präfektur/Yugawara/Yugawara Thermalquelle

Preface

Author (Name, Year)

Sakurai & Hayashi, 1952

Collector information

Yugawaralith-Kristalle sind spröde und brüchig.Am besten in Seifenwasser Reinigen

References

Canadian Mineralogist 35 (1997), 1571

Sakurai K, Hayashi A (1952) “Yugawaralite”, a new zeolite, Science Reports of the Yokohama National University 1, 69-77

Leimer H W, Slaughter M (1969) The determination and refinement of the crystal structure of yugawaralite. Zeitschrift für Kristallographie 130, 88-111

IMA group assignments

 
Zeolite group
 
 
 

 
 
YUG zeolite structure group
 
 
 

 
 
 
Yugawaralite
CaAl2Si6O16·4H2O
monoklin
Pc

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Actuality: 02. Oct 2024 - 05:31:39

Other languages

Spanish

Yugawaralita

English

Yugawaralite

French

Yugawaralite

German

Yugawaralith

Russian

Югаваралит

Alternative Name

Japanese

湯河原沸石

CNMNC symbol

Symbol

Yug

Locations with GPS information

IDs

GUSID (Global unique identifier short form) atUaUL-f1EWPPYPtS4lBXA
GUID (Global unique identifier) 501AD56A-9FBF-45D4-8F3D-83ED4B89415C
Database ID 4249