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Pargasite

Pictures (33 Images total)

Pargasite
Views (File:
1336724325
): 1251
Pargasite
Very aesthetic specimen of pargasite crystals, that nested on marble matrix rock, from Luc Yen, Yenbai (Yen Bai) Province, Vietnam; Size 80 х 60 х 42 mm
Copyright: pegmatite; Contribution: pegmatite
Collection: pegmatite
Location: Vietnam/Yên Bái, Provinz/Luc Yen, Distrikt
Mineral: Pargasite
Image: 1336724325
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Pargasite

Very aesthetic specimen of pargasite crystals, that nested on marble matrix rock, from Luc Yen, Yenbai (Yen Bai) Province, Vietnam; Size 80 х 60 х 42 mm

Collection: pegmatite
Copyright: pegmatite
Contribution: pegmatite 2012-05-11
Locality: Luc Yen, Distrikt / Yên Bái, Provinz / Vietnam
Pargasit
Views (File:
1274563721
): 5521, Rating: 7.83
Pargasit
Kristallgröße: 1,8 x 0,8 x 0,1 cm, Fundort: Luc Yen, Provinz Yen Bai, Vietnam
Copyright: Dan Weinrich; Contribution: thdun5
Location: Vietnam/Yên Bái, Provinz/Luc Yen, Distrikt
Mineral: Pargasite
Image: 1274563721
Rating: 7.83 (votes: 6)
License: Usage for Mineralienatlas project only
Pargasit

Kristallgröße: 1,8 x 0,8 x 0,1 cm, Fundort: Luc Yen, Provinz Yen Bai, Vietnam

Copyright: Dan Weinrich
Contribution: thdun5 2010-05-22
Locality: Luc Yen, Distrikt / Yên Bái, Provinz / Vietnam
Pargasit
Views (File:
1222504328
): 5821
Pargasit
Größe: 82 x 44 mm; Fundort: Mundarara Mine, Longido, Monduli, Region Arusha, Tansania
Copyright: John Sobolewski; Contribution: slugslayer
Location: Tansania/Arusha, Region/Longido/Mundarara Mine
Mineral: Pargasite
Image: 1222504328
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Pargasit

Größe: 82 x 44 mm; Fundort: Mundarara Mine, Longido, Monduli, Region Arusha, Tansania

Copyright: John Sobolewski
Contribution: slugslayer 2008-09-27
Locality: Mundarara Mine / Longido / Arusha, Region / Tansania
Pargasit auf und in Marmor
Views (File:
1266256116
): 9637
Pargasit auf und in Marmor
Fundort: Ganesh, Hunza-Tal, Gilgit, Pakistan; Größe: 2 x 2 cm
Copyright: Mineralroli; Contribution: Mineralroli
Collection: Alfred Schreilechner
Location: Pakistan/Gilgit-Baltistan (Nordgebiete; Northern Areas)/Hunza-Nagar, Distrikt/Hunza-Tal/Ganesh
Mineral: Pargasite
Rock: marble
Image: 1266256116
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Pargasit auf und in Marmor

Fundort: Ganesh, Hunza-Tal, Gilgit, Pakistan; Größe: 2 x 2 cm

Collection: Alfred Schreilechner
Copyright: Mineralroli
Contribution: Mineralroli 2010-02-15
Locality: Ganesh / Hunza-Tal / Hunza-Nagar, Distrikt / Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan
Pargasit
Views (File:
1331645497
): 5410
Pargasit
Bildbreite: 1,2 mm; Fundort: Pargas (Parainen), Turku-Pori, Länsi-Suomen Lääni, Finnland
Copyright: Enrico Bonacina; Contribution: Hg
Location: Finnland/Varsinais-Suomi, Landschaft/Pargas (Parainen)
Mineral: Pargasite
Image: 1331645497
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Pargasit

Bildbreite: 1,2 mm; Fundort: Pargas (Parainen), Turku-Pori, Länsi-Suomen Lääni, Finnland

Copyright: Enrico Bonacina
Contribution: Hg 2012-03-13
Locality: Pargas (Parainen) / Varsinais-Suomi, Landschaft / Finnland
Pargasit in Chromit
Views (File:
1208248225
): 6875
Pargasit in Chromit
Größe: 8 x 5 x 6 cm; Fundort: Kempirsai Cr-Lagerstätte, Aqtöbe Oblysy, Kasachstan
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Kasachstan/Aqtöbe, Gebiet (Aqtöbe oblysy)/Kempirsai
Mineral: Chromite, Pargasite
Image: 1208248225
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Pargasit in Chromit

Größe: 8 x 5 x 6 cm; Fundort: Kempirsai Cr-Lagerstätte, Aqtöbe Oblysy, Kasachstan

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2008-04-15
Locality: Kempirsai / Aqtöbe, Gebiet (Aqtöbe oblysy) / Kasachstan

Collectors Summary

Color bläulichgrün, braun, grauschwarz, hellbraun, dunkelgrün
Streak color weiß
Hardness (Mohs) 5.5
Solubility + HF nur
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

NaCa2(Mg,Fe2+)4Al(Si6Al2)O22(OH)2

Chem­ical com­po­si­tion

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

Unit weight: 867.3669588 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaCa2(Mg0.75Fe0.25)4Al(Si6Al2)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.23

2

4.76

1.0079470

2.0158940

Oxygen

O

44.27

24

57.14

15.9994300

383.9863200

Sodium

Na

2.65

1

2.38

22.9897702

22.9897702

Magnesium

Mg

8.41

3

7.14

24.3050600

72.9151800

Aluminium

Al

9.33

3

7.14

26.9815382

80.9446146

Silicon

Si

19.43

6

14.29

28.0855300

168.5131800

Calcium

Ca

9.24

2

4.76

40.0784000

80.1568000

Iron

Fe

6.44

1

2.38

55.8452000

55.8452000

Anal­y­sis wt%

SiO2 : 41.07, Al2O3 : 17.94, Fe2O3 : 3.59, FeO : 7.79, MgO : 13.37, CaO : 12.05, Na2O : 1.83, H2O : 2.03 (Ref: American Mineralogist 89)

Strunz 9th edi­tion incl. updates

9.DE.15

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

Lapis Clas­sifica­tion

VIII/F.10-110

VIII: SILIKATE
F: Ketten- und Bandsilikate
10: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Ca2-Amphibole

Clas­sifica­tion by Hölzel

9.DH.300

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
H: Amphiboles; Calcic Amphiboles
3: Pargasite-Group

Dana 8th edi­tion

66.01.03a.12

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

IMA sta­tus

Neudefinition von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Calcium amphiboles  ⇒ Pargasite (Prg) amphiboles

Optical Properties

Color

bläulichgrün, braun, grauschwarz, hellbraun, dunkelgrün

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.022

Birefringence chart\! Pargasite title=Birefringence chart Pargasite

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

1.613

RI value β

1.618

RI value γ / ε

1.635

Ri mean

1.622

2V angle

Biaxial (+) 23°

Optical Data Luminescence

Color SW-UV (254nm)

 

grünlich

SW-UV Intensity

schwach

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.87

Cell param­e­ters b (Å)

18.01

Cell param­e­ters c (Å)

5.30

Cell param­e­ters a/b or c/a

0.548

Cell param­e­ters c/b

0.294

Cell param­e­ters α

90°

Cell param­e­ters β

105.27

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

908.86

Kristall struc­ture

Maxwell C. Day; Frank C. Hawthorne; Umberto Susta; Giancarlo Della Ventura; George E. Harlow: Gem amphiboles from Mogok, Myanmar: crystal-structure refinement, infrared spectroscopy and short-range order–disorder in gem pargasite and fluoro-pargasite. Mineralogical Magazine September Vol.83, Nr. 3 (2019) S. 361-371.

X-Ray Pow­der Diffrac­tion

8.424(50),
3.359(70),
3.267(70),
3.131(100),
2.922(70),
2.687(70),
2.543(50),
2.341(50)

XRD chart Pargasite

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)

5.5

VHN (Hard­ness Vick­ers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.069 - 3.181 / Durchschnittlich = 3.12

3.169 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+ HF nur

(Co-)Type locality

(Co-)Type locality

Finnland/Varsinais-Suomi, Landschaft/Pargas (Parainen)

Preface

Author (Name, Year)

von Steinheil, 1814

References

Canadian Mineralogist 39 (2001), 1725

IMA group assignments

Other languages

German

Pargasit

Spanish

Pargasita

English

Pargasite

French

Pargasite

Russian

Паргасит

Simplified Chinese

韭闪石

Japanese

パーガス閃石

Alternative Name

Actinolit

Actinolite-asbestos

Actinolithe

Actinolota

Actinote

Actynolin

Actynolit

Actynolita

Actynolite

Attinoto

Carinthine

German

Karinthin

Keraphyllite

Krophyllite

Kérophyllite

Pargasitic hornblende

Stibolit

Stibolita

Stibolite

Stralit

Stralita

Stralite

Zillerthit

Zillerthita

Zillerthite

CNMNC symbol

Symbol

Prg

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Паргасит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Pargasit
Crystal-Treasure.com - search for: Pargasit
Bosse - search for: Pargasit
Edelsteine Neuburg - Gundolf Fischer - search for: Pargasit
Geolitho marketplace, by and for collectors - search for: Pargasit

Locations with GPS information