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Magnesio-hastingsite

Pictures (18 Images total)

Magnesiohastingsit
Views (File:
1297379160
): 2341, Rating: 9.33
Magnesiohastingsit
Größe: 0,8 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Enrico Bonacina; Contribution: Hg
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Magnesio-hastingsite
Image: 1297379160
Rating: 9.33 (votes: 6)
License: Usage for Mineralienatlas project only
Magnesiohastingsit

Größe: 0,8 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Enrico Bonacina
Contribution: Hg 2011-02-10
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Magnesiohastingsit
Views (File:
1326206773
): 993
Magnesiohastingsit
Größe: 3,8 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Magnesio-hastingsite
Image: 1326206773
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Magnesiohastingsit

Größe: 3,8 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2012-01-10
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Magnesiohastingsit
Views (File:
1272478738
): 974
Magnesiohastingsit
Kristallgröße: 3,7 mm, Fundort: Miniera di Brosso, Cálea, Léssolo, Canavese, Turin (Torino), Piemont (Piemonte), Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Piemont (Piemonte), Region/Turin (Torino), Provinz/Canavese/Ivrea/Cálea/Miniera di Brosso
Mineral: Magnesio-hastingsite
Image: 1272478738
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Magnesiohastingsit

Kristallgröße: 3,7 mm, Fundort: Miniera di Brosso, Cálea, Léssolo, Canavese, Turin (Torino), Piemont (Piemonte), Italien
Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-28
Locality: Miniera di Brosso / Cálea / Ivrea / Canavese / Turin (Torino), Provinz / Piemont (Piemonte), Region / Italien
Magnesiohastingsit
Views (File:
1275687042
): 1008
Magnesiohastingsit
Kristallgröße: 0,5 mm, Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Luigi Mattei; Contribution: thdun5
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Magnesio-hastingsite
Image: 1275687042
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Magnesiohastingsit

Kristallgröße: 0,5 mm, Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Luigi Mattei
Contribution: thdun5 2010-06-04
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Magnesiohastingsit
Views (File:
1275687211
): 1023
Magnesiohastingsit
Kristallgröße: 0,5 mm, Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Luigi Mattei; Contribution: thdun5
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Magnesio-hastingsite
Image: 1275687211
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Magnesiohastingsit

Kristallgröße: 0,5 mm, Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Luigi Mattei
Contribution: thdun5 2010-06-04
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color grün
Streak color blass grey-grün zu bräunlich-grün
Hardness (Mohs) 5.5
Crystal System monoklin, C2/m

Chemism

Chemical formula

NaCa2(Mg,Fe2+)4Fe3+(Si6Al2)O22(OH)2

Chemical composition

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

Unit weight: 896.2306206 u; Number of atoms in the formula: 42

Info

Empirical formula:

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

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.22

2

4.76

1.0079470

2.0158940
Oxygen

O

42.84

24

57.14

15.9994300

383.9863200
Sodium

Na

2.57

1

2.38

22.9897702

22.9897702
Magnesium

Mg

8.14

3

7.14

24.3050600

72.9151800
Aluminium

Al

6.02

2

4.76

26.9815382

53.9630764
Silicon

Si

18.80

6

14.29

28.0855300

168.5131800
Calcium

Ca

8.94

2

4.76

40.0784000

80.1568000
Iron

Fe

12.46

2

4.76

55.8452000

111.6904000

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.10-130

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

Classification by Hölzel

9.DH.400

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

Dana 8th edition

66.01.03a.14

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  ⇒ Hastingsite (Hs) amphiboles

Optical Properties

Color

grün

Streak color

blass grey-grün zu bräunlich-grün

Diaphaneity (Transparency)

teilweise opak

max. Birefringence

0.022
Birefringence chart\! Magnesio-hastingsite title=Birefringence chart Magnesio-hastingsite

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

1.653

RI value β

1.665

RI value γ / ε

1.675

Ri mean

1.664

2V angle

Biaxial (-) 80°

Optical Data Luminescence

Color SW-UV (254nm)

  

blassgelb

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)

9.940

Cell parameters b (Å)

18.050

Cell parameters c (Å)

5.310

Cell parameters a/b or c/a

0.551

Cell parameters c/b

0.294

Cell parameters α

90°

Cell parameters β

105.45

Cell parameters γ

90°

Z

2

Volume (ų)

918.277

X-Ray Powder Diffraction

8.43(100),
3.39(50),
3.28(50),
3.13(70),
2.949(40),
2.706(60),
2.594(50),
2.559(50)
XRD chart Magnesio-hastingsite

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)

3.225

3.241 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/Québec, Provinz/Montréal, Region/Montréal/CNR-Tunnel

Preface

Author (Name, Year)

Billings, 1928

References

Canadian Mineralogist 35 (1997), 219

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacher, Mark D. Welch (2012): Nomenclature of the amphibole supergroup. In: American Mineralogist, 97, 2031-2048 (PDF 678 kB)

IMA group assignments

Other languages

German

Magnesio-Hastingsit

English

Magnesio-hastingsite

Spanish

Magnesiohastingsita

French

Magnesiohastingsite

Russian

Магнезиогастингсит

Alternative Name

Magnesio-hastingsitic-hornblende

German

Magnesiohastingsit

Lapis

Tibergit

Tibergita

Tibergite

CNMNC symbol

Symbol

Mhst

Locations with GPS information

IDs

GUSID (Global unique identifier short form) CvrdVfP4tk-CRQg7h3BLMQ
GUID (Global unique identifier) 55DDFA0A-F8F3-4FB6-8245-083B87704B31
Database ID 2305