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Ganophyllite

Pictures (6 Images total)

Ganophyllit
Views (File:
1285410856
): 3543, Rating: 8.67
Ganophyllit
Ganophyllit neben Quarz, Aggregatgröße: 1,4 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Enrico Bonacina; Contribution: thdun5
Collection: Domenico Preite
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Ganophyllite
Image: 1285410856
Rating: 8.67 (votes: 6)
License: Usage for Mineralienatlas project only
Ganophyllit

Ganophyllit neben Quarz, Aggregatgröße: 1,4 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien

Collection: Domenico Preite
Copyright: Enrico Bonacina
Contribution: thdun5 2010-09-25
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Ganophyllit
Views (File:
1165917564
): 1109, Rating: 7
Ganophyllit
Bildbreite: 3 mm; Fundort: 3M quarry, Pulaski Co., Arkansas, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Arkansas/Pulaski Co./Sweet Home/Granite-Mountain-Komplex/Big Rock Quarry (3M Quarry)
Mineral: Ganophyllite
Image: 1165917564
Rating: 7 (votes: 4)
License: Usage for Mineralienatlas project only
Ganophyllit

Bildbreite: 3 mm; Fundort: 3M quarry, Pulaski Co., Arkansas, USA

Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-12
Locality: Big Rock Quarry (3M Quarry) / Granite-Mountain-Komplex / Sweet Home / Pulaski Co. / Arkansas / USA
Ganophyllit
Views (File:
1271607429
): 913
Ganophyllit
Bildbreite: 6 mm, Fundort: Miniera Valgraveglia (Miniera Gambatesa), Reppia, Val Graveglia, Ne, Genova, Ligurien (Liguria), Italien.
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Ganophyllite
Image: 1271607429
Rating: 3.5 (votes: 2)
License: Usage for Mineralienatlas project only
Ganophyllit

Bildbreite: 6 mm, Fundort: Miniera Valgraveglia (Miniera Gambatesa), Reppia, Val Graveglia, Ne, Genova, Ligurien (Liguria), Italien.

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-18
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Ganophyllit mit Willemit und Rhodonit
Views (File:
1291487069
): 890
Ganophyllit mit Willemit und Rhodonit
Größe: 54x48 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: Ganophyllite
Image: 1291487069
License: Usage for Mineralienatlas project only
Ganophyllit mit Willemit und Rhodonit

Größe: 54x48 mm; Fundort: Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Copyright: Rock Currier
Contribution: slugslayer 2010-12-04
Locality: Franklin / Franklin Mining District / Sussex Co. / New Jersey / USA
Ganophyllit
Views (File:
1602670530
): 228
Ganophyllit
Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello. Bildbreite 1,3 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Ganophyllite
Image: 1602670530
License: Usage for Mineralienatlas project only
Ganophyllit

Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello. Bildbreite 1,3 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2020-10-14
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Ganophyllit
Views (File:
1602670679
): 140
Ganophyllit
Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello. Bildbreite 1,3 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Ganophyllite
Image: 1602670679
License: Usage for Mineralienatlas project only
Ganophyllit

Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello. Bildbreite 1,3 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2020-10-14
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color goldbraun
Streak color hellbraun
Hardness (Mohs) 4.25
Solubility +++ HCl
Crystal System monoklin, I2/a

Chemism

Chemical formula

(K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O {x = 1-2}{n = 7-11}

Chemical composition

Aluminium, Mangan, Natrium, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 944.855827075 u; Number of atoms in the formula: 70.5

Info

Empirical formula:

(K0.75Na0.25)1.5M96(Si0.75Al0.25)10O24(OH)4·9H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.35

22

31.21

1.0079470

22.1748340

Oxygen

O

62.65

37

52.48

15.9994300

591.9789100

Sodium

Na

0.91

0.38

0.53

22.9897702

8.6211638

Aluminium

Al

7.14

2.5

3.55

26.9815382

67.4538455

Silicon

Si

22.29

7.5

10.64

28.0855300

210.6414750

Potassium

K

4.66

1.13

1.60

39.0983100

43.9855988

Strunz 9th edition incl. updates

9.EG.30

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
G: Doppelnetze mit sechsfach-Ringen
30:Ganophyllit-Gruppe

Lapis Classification

VIII/H.17-070

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

Classification by Hölzel

9.EG.200

9: SILICATES
E: Phyllosilicates
G: Hydrated Micas
2: With Mn

Dana 8th edition

74.01.02.01

74: Phyllosilicates Phyllosilicate Modulated Layers
01: Phyllosilicates Phyllosilicate Modulated Layers with joined islands
02: Ganophyllite group

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

goldbraun

Streak color

hellbraun

max. Birefringence

0.040

Birefringence chart\! Ganophyllite title=Birefringence chart Ganophyllite

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

1.573

RI value β

1.611

RI value γ / ε

1.613

Ri mean

1.599

2V angle

Biaxial (-) 20°~

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

I2/a

Cell parameters a (Å)

5.550

Cell parameters b (Å)

13.539

Cell parameters c (Å)

25.134

Cell parameters a/b or c/a

0.41

Cell parameters c/b

1.856

Cell parameters α

90°

Cell parameters β

93.93

Cell parameters γ

90°

Z

3

Volume (ų)

1884.164

X-Ray Powder Diffraction

12.53(100),
5.116(10),
4.180(10),
3.969(10),
3.463(10),
3.138(20),
2.980(10)

XRD chart Ganophyllite

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)

4.25

VHN (Hardness Vickers)

230 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.76

2.498 ( ρ calc. Mineralienatlas )

Instability

+++ HCl

Preface

Author (Name, Year)

Hamberg, 1890

References

American Mineralogist 88 (2003), 1324

Other languages

Spanish

Ganofilita

German

Ganophyllit

English

Ganophyllite

French

Ganophyllite

Russian

Ганофиллит

Simplified Chinese

辉叶石

CNMNC symbol

Symbol

Gnp

Locations with GPS information

IDs

GUSID (Global unique identifier short form) V9To7H2ecEGqdl8glyBPUQ
GUID (Global unique identifier) ECE8D457-9E7D-4170-AA76-5F2097204F51
Database ID 1330