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Glaucophane

Pictures (10 Images total)

Glaukophan
Views (File:
1321006047
): 4950
Glaukophan
Bildbreite: 18 mm; Fundort: Oropa, Biella, Provinz, Piemont (Piemonte), Region, Italien
Copyright: Enrico Bonacina; Contribution: Hg
Location: Italien/Piemont (Piemonte), Region/Biella, Provinz/Oropa
Mineral: Glaucophane
Image: 1321006047
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Glaukophan

Bildbreite: 18 mm; Fundort: Oropa, Biella, Provinz, Piemont (Piemonte), Region, Italien
Copyright: Enrico Bonacina
Contribution: Hg 2011-11-11
Locality: Oropa / Biella, Provinz / Piemont (Piemonte), Region / Italien
Glaukophan
Views (File:
1284043141
): 5281
Glaukophan
Kristallgröße: 1 mm; Fundort: Rio Oremo, Chiavolino, Pollone, Provinz Biella, Region Piemont, Italien
Copyright: Luigi Mattei; Contribution: slugslayer
Location: Italien/Piemont (Piemonte), Region/Biella, Provinz/Pollone/Chiavolino/Rio Oremo
Mineral: Glaucophane
Image: 1284043141
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Glaukophan

Kristallgröße: 1 mm; Fundort: Rio Oremo, Chiavolino, Pollone, Provinz Biella, Region Piemont, Italien
Copyright: Luigi Mattei
Contribution: slugslayer 2010-09-09
Locality: Rio Oremo / Chiavolino / Pollone / Biella, Provinz / Piemont (Piemonte), Region / Italien
Glaukophan
Views (File:
1283937835
): 6408
Glaukophan
Massiver, olivgrauer Glaukophan mit winzigen Einschlüssen von Almandin. 7 cm breite Stufe von der Schachthalde 133, Niederschlag, Erzgebirge, Sachsen, Deutschland.
Copyright: raritätenjäger; Contribution: raritätenjäger
Collection: raritätenjäger
Location: Deutschland/Sachsen/Erzgebirgskreis/Annaberg, Revier/Bärenstein/Niederschlag/Grube Straßburger Glück
Mineral: Glaucophane
Image: 1283937835
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Glaukophan

Massiver, olivgrauer Glaukophan mit winzigen Einschlüssen von Almandin. 7 cm breite Stufe von der Schachthalde 133, Niederschlag, Erzgebirge, Sachsen, Deutschland.
Collection: raritätenjäger
Copyright: raritätenjäger
Contribution: raritätenjäger 2010-09-08
Locality: Grube Straßburger Glück / Niederschlag / Bärenstein / Annaberg, Revier / Erzgebirgskreis / Sachsen / Deutschland
Glaukophan xx
Views (File:
1307207291
): 5139
Glaukophan xx
Monte Mucrone Val d' Oropa Pollone Provinz Biella Piemont Italien. BB=8cm.
Copyright: pilzpirat; Contribution: pilzpirat
Collection: pilzpirat
Location: Italien/Piemont (Piemonte), Region/Biella, Provinz/Pollone
Mineral: Glaucophane
Image: 1307207291
License: Usage for Mineralienatlas project only
Glaukophan xx

Monte Mucrone Val d' Oropa Pollone Provinz Biella Piemont Italien. BB=8cm.
Collection: pilzpirat
Copyright: pilzpirat
Contribution: pilzpirat 2011-06-04
Locality: Pollone / Biella, Provinz / Piemont (Piemonte), Region / Italien
Glaukophan xx (schwarz)
Views (File:
1335967158
): 2964
Glaukophan xx (schwarz)
Monte Mucrone Oropa Biella Piemont Italien. BB=12mm.
Copyright: pilzpirat; Contribution: pilzpirat
Collection: pilzpirat
Location: Italien/Piemont (Piemonte), Region/Biella, Provinz/Oropa
Mineral: Glaucophane
Image: 1335967158
License: Usage for Mineralienatlas project only
Glaukophan xx (schwarz)

Monte Mucrone Oropa Biella Piemont Italien. BB=12mm.
Collection: pilzpirat
Copyright: pilzpirat
Contribution: pilzpirat 2012-05-02
Locality: Oropa / Biella, Provinz / Piemont (Piemonte), Region / Italien
Glaukophan xx (Crossit)
Views (File:
1335970575
): 1265
Glaukophan xx (Crossit)
Rigaus Abtenau Lammertal Salzburg Österreich. BB=15mm.
Copyright: pilzpirat; Contribution: pilzpirat
Collection: pilzpirat
Location: Österreich/Salzburg/Hallein, Bezirk (Tennengau)/Abtenau/Rigaus
Mineral: Glaucophane
Image: 1335970575
License: Usage for Mineralienatlas project only
Glaukophan xx (Crossit)

Rigaus Abtenau Lammertal Salzburg Österreich. BB=15mm.
Collection: pilzpirat
Copyright: pilzpirat
Contribution: pilzpirat 2012-05-02
Locality: Rigaus / Abtenau / Hallein, Bezirk (Tennengau) / Salzburg / Österreich

Collectors Summary

Color lavendelblau, schwarz
Streak color blaugrau
Hardness (Mohs) 6
Solubility +++ HF, - HCl
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

Na2(Mg,Fe2+)3Al2Si8O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Eisen, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 807.1993558 u; Number of atoms in the formula: 41

Info

Empirical formula:

Na2(Mg0.75Fe0.25)3Al2Si8O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.25

2

4.88

1.0079470

2.0158940
Oxygen

O

47.57

24

58.54

15.9994300

383.9863200
Sodium

Na

5.70

2

4.88

22.9897702

45.9795404
Magnesium

Mg

6.77

2.25

5.49

24.3050600

54.6863850
Aluminium

Al

6.69

2

4.88

26.9815382

53.9630764
Silicon

Si

27.84

8

19.51

28.0855300

224.6842400
Iron

Fe

5.19

0.75

1.83

55.8452000

41.8839000

Anal­y­sis wt%

SiO2 : 58.04, TiO2 : 0.66, Al2O3 : 10.31, Fe2O3 : 2.89, FeO : 6.12, MgO : 11.71, CaO : 1.37, Na2O : 6.97, H2O : 1.98 (Ref: American Mineralogist 68)

Strunz 9th edi­tion incl. updates

9.DE.25

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
25:Amphibole: Alkali

Lapis Clas­sifica­tion

VIII/F.08-010

VIII: SILIKATE
F: Ketten- und Bandsilikate
8: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Alkali-Amphibole

Clas­sifica­tion by Hölzel

9.DJ.100

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
J: Amphiboles; Sodic Amphiboles
1: Glaucophane-Group

Dana 8th edi­tion

66.01.03c.01

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03c: Group 4, the sodic amphiboles

IMA sta­tus

Neudefinition von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium Amphiboles  ⇒ Glaucophane (Gln) amphiboles

Optical Properties

Color

lavendelblau, schwarz

Streak color

blaugrau

max. Birefrin­gence

0.020
Birefringence chart\! Glaucophane title=Birefringence chart Glaucophane

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

1.610

RI value β

1.626

RI value γ / ε

1.630

Ri mean

1.622

2V angle

Biaxial (-) 25°!!

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.541

Cell param­e­ters b (Å)

17.740

Cell param­e­ters c (Å)

5.295

Cell param­e­ters a/b or c/a

0.538

Cell param­e­ters c/b

0.298

Cell param­e­ters α

90°

Cell param­e­ters β

103.67

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

870.83

X-Ray Pow­der Diffrac­tion

8.23(100),
4.463(20),
4.448(30),
3.842(20),
3.047(50),
2.692(60),
2.522(30),
2.243(20)
XRD chart Glaucophane

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)

6

VHN (Hard­ness Vick­ers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.12 (gemessen)

3.078 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HF, - HCl

(Co-)Type locality

(Co-)Type locality

Griechenland/Südliche Ägäis (Νότιο Αιγαίο)/Kykladen/Syros, Insel

Preface

Author (Name, Year)

Hausmann, 1845

References

Canadian Mineralogist 41 (2003), 1355

IMA group assignments

 
Amphibole supergroup
 
 
 

 
 
(OH,F,Cl)-dominant amphiboles
 
 
 

 
 
 
Sodium Amphiboles
 
 
 

 
 
 
 
Glaucophane (Gln) amphiboles
 
 
 

 
 
 
 
 
Ferro-Glaucophane
Na2(Fe2+,Mg)3Al2Si8O22(OH)2
monoklin
C2/m

 
 
 
 
 
Glaucophane
Na2(Mg,Fe2+)3Al2Si8O22(OH)2
monoklin
C2/m

Refresh list

Actuality: 10. Aug 2022 - 23:54:12

Other languages

Dutch

Glaucofaan

Spanish

Glaucofana

Italian

Glaucofane

Portuguese

Glaucofânio

English

Glaucophane

French

Glaucophane

Finnish

Glaukofaani

Polish

Glaukofan

Lithuanian

Glaukofanas

Hungarian

Glaukofán

German

Glaukophan

Russian

Глаукофан

Serbian (Cyrillic Script)

Глаукофан

Ukrainian

Глаукофан

Hebrew

גלאוקופן

Simplified Chinese

蓝闪石

Japanese

藍閃石

Alternative Name

English

Antiglaucophane

German

Antiglaukophan

German

Gastaldit

Spanish

Gastaldita

English

Gastaldite

Glaukofán

László 90 (1995)

English

Pseudoglaucophane

German

Pseudoglaukophan

CNMNC symbol

Symbol

Gln

Rock part of

Refresh list | View legend

Hint

- Essential mineral - Important for the classification of the rock.
- Accessory or non-essential mineral - this minerals are common, sometimes major part of, but are not always present.

Actuality: 10. Aug 2022 - 23:54:13

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

German pages

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

English pages

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

Russian pages

 Webmineral.ru - search for: Глаукофан

Mineral Dealer

German pages

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