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Ferro-hornblende

Pictures (26 Images total)

Ferrohornblende
Views (File:
1293061778
): 4611, Rating: 9.6
Ferrohornblende
Größe: 1,32 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Ferro-hornblende
Image: 1293061778
Rating: 9.6 (votes: 5)
License: Usage for Mineralienatlas project only
Ferrohornblende

Größe: 1,32 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-23
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Ferrohornblende
Views (File:
1293815100
): 4643, Rating: 9.6
Ferrohornblende
Größe: 0,92 und 0,95 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Monte Somma
Mineral: Ferro-hornblende
Image: 1293815100
Rating: 9.6 (votes: 5)
License: Usage for Mineralienatlas project only
Ferrohornblende

Größe: 0,92 und 0,95 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-31
Locality: Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Ferrohornblende
Views (File:
1293061689
): 1033
Ferrohornblende
Größe: 0,81 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Ferro-hornblende
Image: 1293061689
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Ferrohornblende

Größe: 0,81 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-23
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Ferrohornblende
Views (File:
1293061884
): 2527
Ferrohornblende
Bildbreite: 3,12 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Ferro-hornblende
Image: 1293061884
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Ferrohornblende

Bildbreite: 3,12 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-23
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Ferrohornblende
Views (File:
1396551855
): 1656
Ferrohornblende
Bildbreite: 3,14 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Onano/Montenero (Pozzolana) Steinbruch
Mineral: Ferro-hornblende
Image: 1396551855
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Ferrohornblende

Bildbreite: 3,14 mm; Fundort: Montenero, Onano, Viterbo, Latium, Italien

Copyright: Matteo Chinellato
Contribution: Hg 2014-04-03
Locality: Montenero (Pozzolana) Steinbruch / Onano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Ferrohornblende
Views (File:
1275673662
): 3935
Ferrohornblende
Kristallgröße: 0,9 mm, Fundort: Tre Croci, Vetralla, Lago de Vico, Latium, Italien
Copyright: Luigi Mattei; Contribution: thdun5
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Vicosee (Lago di Vico)/Vetralla/Tre Croci
Mineral: Ferro-hornblende
Image: 1275673662
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Ferrohornblende

Kristallgröße: 0,9 mm, Fundort: Tre Croci, Vetralla, Lago de Vico, Latium, Italien

Copyright: Luigi Mattei
Contribution: thdun5 2010-06-04
Locality: Tre Croci / Vetralla / Vicosee (Lago di Vico) / Viterbo, Provinz / Latium (Lazio), Region / Italien

Collectors Summary

Color braun, grün, grünlich braun, schwarz
Streak color weiß
Hardness (Mohs) 5.5
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

☐Ca2(Fe2+4Al)(Si7Al)O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Calcium, Eisen, Silicium, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 940.10160041 u; Number of atoms in the formula: 42

Info

Empirical formula:

VcCa2(Fe4Al)(Si7Al)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

1

2.38

0.0000000

0.0000000

Hydrogen

H

0.21

2

4.76

1.0079470

2.0158940

Oxygen

O

40.85

24

57.14

15.9994300

383.9863200

Aluminium

Al

5.74

2

4.76

26.9815382

53.9630764

Silicon

Si

20.91

7

16.67

28.0855300

196.5987100

Calcium

Ca

8.53

2

4.76

40.0784000

80.1568000

Iron

Fe

23.76

4

9.52

55.8452000

223.3808000

Anal­y­sis wt%

SiO2 : 41.49, Al2O3 : 11.60, Fe2O3 : 2.89, FeO : 21.94, MnO : 0.79, MgO : 8.39, CaO : 9.86, Na2O : 2.07, K2O : 0.58, H2O : 0.93 (Ref: Zeitschrift ür Kristallographie 29)

Strunz 9th edi­tion incl. updates

9.DE.10

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

Lapis Clas­sifica­tion

VIII/F.10-050

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

Clas­sifica­tion by Hölzel

9.DH.720

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

Dana 8th edi­tion

66.01.03a.05

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

anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

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

Optical Properties

Color

braun, grün, grünlich braun, schwarz

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend bis opak

max. Birefrin­gence

0.016

Birefringence chart\! Ferro-hornblende title=Birefringence chart Ferro-hornblende

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

1.688

RI value β

1.698

RI value γ / ε

1.704

Ri mean

1.697

2V angle

Biaxial (-) 45°~

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.96

Cell param­e­ters b (Å)

18.19

Cell param­e­ters c (Å)

5.32

Cell param­e­ters a/b or c/a

0.548

Cell param­e­ters c/b

0.292

Cell param­e­ters α

90°

Cell param­e­ters β

104.87

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

931.559

X-Ray Pow­der Diffrac­tion

8.52(100),
3.413(50),
3.309(30),
3.159(90),
2.728(70),
2.610(50),
2.180(40),
1.452(40)

XRD chart Ferro-hornblende

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)

3.23 Ø; 3 - 3.47

3.351 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Leake, 1978

References

Canadian Mineralogist 35 (1997), 219

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch - Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97 (2012), pages 2031–2048

IMA group assignments

Other languages

German

Ferro-Hornblende

English

Ferro-hornblende

Spanish

Ferrohornblenda

French

Ferrohornblende

Russian

Феррогорнблендит

Simplified Chinese

棕闪石

Japanese

鉄普通角閃石

Simplified Chinese

铁角闪石

Alternative Name

German

Barkevicit

Spanish

Barkevicita

Barkevicite

Barkevikit

Spanish

Barkevikita

English

Barkevikite

Ferro-actinolitic-hornblende

Ferrohornblende

CNMNC symbol

Symbol

Fhbl

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Феррогорнблендит

Mineral Dealer

German pages

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

Locations with GPS information