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Microcline

Pictures (136 Images total)

Fluorit, Mikroklin
Views (Image: 1356651682): 1781
Fluorit, Mikroklin

Größe: 47x31x30 mm; Fundort: Papachacra, Departamento Belen, Provinz Catamarca, Argentinien

Copyright: slugslayer
Contribution: slugslayer 2012-12-28
Locality: Papachacra / Belen, Departamento / Catamarca, Provinz / Argentinien
Mikroklin XX
Views (Image: 1167273088): 8925, Rating: 9.33
Mikroklin XX

Größe: 13,5x10,0 cm; Fundort: Malosa-Massiv, Malawi

Copyright: Sandro Maggia
Contribution: slugslayer 2006-12-28
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Mikroklin
Views (Image: 1141569142): 4356
Mikroklin

Mikroklin mit grünlichblauem Albit und Rauchquarzkristallen. Typische Pegmatitstufe (8x12 cm); Fundort: Papachacra, Belén, Anden, Argentinien

Collection: Collector
Copyright: Collector
Contribution: Collector 2006-03-05
Locality: Papachacra / Belen, Departamento / Catamarca, Provinz / Argentinien
Quarz (Doppelender), Mikroklin, Zirkon
Views (Image: 1335182460): 2755
Quarz (Doppelender), Mikroklin, Zirkon

FO.: Mount Malosa, (Malosa Massiv), Zomba District, Malawi / Stufengröße: 8 x 6,4 cm, Quarz: 8,3 cm

Collection: Hrouda
Copyright: Hrouda
Contribution: Hrouda 2012-04-23
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi
Mikroklin
Views (Image: 1265801894): 6571
Mikroklin

Größe: 13,3 x 8,3 x 6,0 cm; Fundort: Gilgit-Baltistan, Pakistan

Copyright: Rob Lavinsky
Contribution: slugslayer 2010-02-10
Locality: Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan
Mikroklin mit Quarz
Views (Image: 1265802178): 4390
Mikroklin mit Quarz

Größe: 10,5 x 10,0 x 7,5 cm; Fundort: Gilgit-Baltistan, Nordgebiete, Pakistan

Copyright: Joe Freilich
Contribution: slugslayer 2010-02-10
Locality: Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan

Collectors Summary

Color bläulichgrün, grün, grau, weiß, graulich gelb, gelblich, rosarot und orangerot
Streak color weiß
Hardness (Mohs) 6.25
Solubility +++ HF, - HCl
Crystal System triklin, C1

Additional information / Summary

Siehe auch unser umfangreiches Feldspat Portrait

Chemism

Chem­ical formula

KAlSi3O8

Chem­ical com­po­si­tion

Aluminium, Silicium, Kalium, Sauerstoff

Unit weight: 278.3318782 u; Number of atoms in the formula: 13

Info

Empirical formula:

KAlSi3O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

45.99

8

61.54

15.9994300

127.9954400

Aluminium

Al

9.69

1

7.69

26.9815382

26.9815382

Silicon

Si

30.27

3

23.08

28.0855300

84.2565900

Potassium

K

14.05

1

7.69

39.0983100

39.0983100

Anal­y­sis wt%

SiO2 : 64.26, Al2O3 : 19.72, Na2O : 2.28, K2O : 13.42 (Ref: Rock Forming Minerals 63)

Strunz 9th edi­tion incl. updates

9.FA.30

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
A: Gerüstsilikate (Tektosilicates) ohne weitere [Anionen]
30:Feldspat: Alkali

Lapis Clas­sifica­tion

VIII/J.06-030

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
6: Ohne tetraederfremde Anionen; Feldspat-Gruppe

Clas­sifica­tion by Hölzel

9.FC.300

9: SILICATES
F: Tektosilicates
C: Feldspar-Group

Dana 8th edi­tion

76.01.01.05

76: Tektosilicates Tectosilicate Al-Si Framework
01: Tektosilicates Tectosilicate Al-Si Framework with Al-Si frameworks
01: K (Na,Ba) feldspars

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Feldspar group  ⇒ Alkali feldspar

Optical Properties

Color

bläulichgrün, grün, grau, weiß, graulich gelb, gelblich, rosarot und orangerot

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend bis transparent

max. Birefrin­gence

0.006

Birefringence chart\! Microcline title=Birefringence chart Microcline

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

1.521

RI value β

1.524

RI value γ / ε

1.527

Ri mean

1.524

2V angle

Biaxial (-) 85~!

Optical Data Luminescence

Color LW-UV (365nm)

 

grün

LW-UV Intensity

schwach

Color SW-UV (254nm)

 

rot

SW-UV Intensity

mittel

Most Common Acti­vator

Fe3+

Other Acti­vators

Eu2+, Ce3+, Eu3+

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

C1

Cell param­e­ters a (Å)

8.58

Cell param­e­ters b (Å)

12.97

Cell param­e­ters c (Å)

7.22

Cell param­e­ters a/b or c/a

0.662

Cell param­e­ters c/b

0.557

Cell param­e­ters α

90.65

Cell param­e­ters β

115.93

Cell param­e­ters γ

87.68

Z

4

Volumne (ų)

721.965

X-Ray Pow­der Diffrac­tion

4.213(50),
3.831(30),
3.704(30),
3.484(30),
3.466(30),
3.368(40),
3.286(50),
3.247(100)

XRD chart Microcline

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)

6.25

VHN (Hard­ness Vick­ers)

850 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.56

2.561 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HF, - HCl

(Co-)Type locality

(Co-)Type locality

Norwegen/Vestfold og Telemark, Provinz/Larvik/Stavern (Fredriksvärn)

Type mate­r­ial

Mineralogische Sammlung der TU Bergakademie Freiberg

Col­lec­tion number of type mate­r­ial

29915 / S 5,1

Par­a­ge­n­e­sis of type mate­r­ial

Quarz, Albit

Preface

Occurrences

In Pegmatiten

Asso­cia­tions

Quarz (oft Rauchquarz), Fluorit, Siderit, Hämatit, Topas, Ägirin

Rare­ness

Weniger häufig als Orthoklas

Name from

dem griechischen mikron - klein und klinein - sich neigen

Author (Name, Year)

Breithaupt, 1830

Col­lector informa­tion

Die weltweit besten Mikrokline stammen aus Colorado (Pikes Peak Region) als matt-smaragdgrüne Amazonite mit Rauchquarz, von Papachacra (Argentinien), Mont Saint-Hilaire und Tory Hill (Canada) und von Amazonit-Neufunden aus Kenticha, Äthiopien

Addi­tional Informa­tion

Feldspat-Gruppe ( Buddingtonit-Othoklas-Slawsonit-Serie). Oft als Bavenoer- und Manebacher Zwillinge)

References

Rock-forming Minerals (Deer, Howie & Zussmann), 2nd ed., 4A (2001)

Liu, S. - Rietveld structure refinement of microcline. European Journal of Mineralogy, 27 (2015), 501-510.

IMA group assignments


 
 
 
 
 

 
 
 
(Na,K)AlSi3O8
triklin
C1

 
 
 
(NH4)AlSi3O8·0.5 H2O
monoklin
P21, P21/m

 
 
 
BaAl2Si2O8
monoklin
I2/c

 
 
 
(K,Ba)Al(Si,Al)3O8
monoklin
C2/m

 
 
 
KAlSi3O8
triklin
C1

 
 
 
KAlSi3O8
monoklin
C2/m

 
 
 
(Rb,K)[AlSi3O8]
triklin
P1

 
 
 
(K,Na)(Si,Al)4O8
monoklin
C2/m

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Actuality: 21. Nov 2021 - 09:34:21

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Celsian

BaAl2Si2O8

monoklin : 2/m : I2/c

9.FA.30

Sanidine

(K,Na)(Si,Al)4O8

monoklin : 2/m : C2/m

9.FA.30

Rubicline

(Rb,K)[AlSi3O8]

triklin : 1 : P1

9.FA.30

'Hyalophane'

(K,Ba)Al(Si,Al)3O8

monoklin : 2/m : C2/m

9.FA.30

Microcline

KAlSi3O8

triklin : 1 : C1

9.FA.30

Orthoclase

KAlSi3O8

monoklin : 2/m : C2/m

9.FA.30

'Anorthoclase'

(Na,K)AlSi3O8

triklin : 1 : C1

9.FA.30

Kokchetavite

KAlSi3O8

hexagonal : 6/mmm : P6/mmm

9.FA.30

Buddingtonite

(NH4)AlSi3O8·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

9.FA.30

Ferrisanidine

K(Fe3+Si3O8)

monoklin : 2/m : C2/m

9.FA.30

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Buddingtonite

(NH4)AlSi3O8·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

VIII/J.06-010

Kokchetavite

KAlSi3O8

hexagonal : 6/mmm : P6/mmm

VIII/J.06-015

Sanidine

(K,Na)(Si,Al)4O8

monoklin : 2/m : C2/m

VIII/J.06-020

Microcline

KAlSi3O8

triklin : 1 : C1

VIII/J.06-030

Rubicline

(Rb,K)[AlSi3O8]

triklin : 1 : P1

VIII/J.06-035

Orthoclase

KAlSi3O8

monoklin : 2/m : C2/m

VIII/J.06-040

'Hyalophane'

(K,Ba)Al(Si,Al)3O8

monoklin : 2/m : C2/m

VIII/J.06-050

Celsian

BaAl2Si2O8

monoklin : 2/m : I2/c

VIII/J.06-060

Paracelsian

BaAl2Si2O8

monoklin : 2/m : P21/a

VIII/J.06-070

Slawsonite

(Sr,Ca)Al2Si2O8

monoklin : 2/m : P21/a

VIII/J.06-080

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Microcline

KAlSi3O8

triklin : 1 : C1

9.FC.300

Rubicline

(Rb,K)[AlSi3O8]

triklin : 1 : P1

9.FC.310

'Anorthoclase'

(Na,K)AlSi3O8

triklin : 1 : C1

9.FC.320

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Orthoclase

KAlSi3O8

monoklin : 2/m : C2/m

76.01.01.01

Sanidine

(K,Na)(Si,Al)4O8

monoklin : 2/m : C2/m

76.01.01.02

Celsian

BaAl2Si2O8

monoklin : 2/m : I2/c

76.01.01.04

Microcline

KAlSi3O8

triklin : 1 : C1

76.01.01.05

Rubicline

(Rb,K)[AlSi3O8]

triklin : 1 : P1

76.01.01.07

Filatovite

K[(Al,Zn)2(As,Si)2O8]

monoklin : 2/m : I2/c

76.01.01.08

Buddingtonite

(NH4)AlSi3O8·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

76.01.02.01

'Oligoclase'

(Na,Ca)(Si,Al)4O8

triklin : 1 : C1

76.01.03.02

'Andesine'

(Na,Ca)(Si,Al)4O8

triklin : 1 : P1

76.01.03.03

'Labradorite'

(Ca,Na)(Si,Al)4O8

triklin : 1 : C1

76.01.03.04

Anorthite

CaAl2Si2O8

triklin : 1 : P1

76.01.03.06

Reedmergnerite

NaBSi3O8

triklin : 1 : C1

76.01.04.01

Paracelsian

BaAl2Si2O8

monoklin : 2/m : P21/a

76.01.05.01

Banalsite

BaNa2Al4Si4O16

orthorhombisch : mm2 : Iba2

76.01.06.01

Stronalsite

SrNa2Al4Si4O16

orthorhombisch : mm2 : Iba2

76.01.06.02

Lisetite

Na2CaAl4Si4O16

orthorhombisch : mm2 : Pbc21

76.01.06.03

Svyatoslavite

CaAl2Si2O8

orthorhombisch : 222 : P21212

76.01.06.04

Dmisteinbergite

CaAl2Si2O8

hexagonal : 6/mmm : P6/mmm

76.01.07.01

Kokchetavite

KAlSi3O8

hexagonal : 6/mmm : P6/mmm

76.01.08.01

Varieties

Amazonite

Alternative Name

German

Barbierit

Spanish

Barbierita

English

Barbierite

Ferruginous Microcline

Norwegian (Bokmål)

Kalinatronfeltspat

Italian

Microclino

Microline

Potash Feldsar

English

Potashfeldspar

Potassic Feldspar

Potassium Feldspar

English

Potassiumfeldspar

CNMNC symbol

Symbol

Mcc

Rock part of

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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: 21. Nov 2021 - 09:34:21

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

German pages

DeWikiPedia - search for: Mikroklin
Google-Bilder-Suche - search for: Mikroklin
Mineralogisch-Petrographisches-Institut Hamburg - search for: Mikroklin

English pages

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

Russian pages

Webmineral.ru - search for: Микроклин

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Mikroklin
Crystal-Treasure.com - search for: Mikroklin
Bosse - search for: Mikroklin

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