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Ferro-edenite

Pictures (13 Images total)

Ferro-Edenit
Views (Image: 1312884273): 2360, Rating: 8.44
Ferro-Edenit

Größe: 0,61 mm; Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-09
Locality: Hendersons Quarry / Ngongotaha / Rotorua / Bay of Plenty, Region / North Island / Neuseeland
Ferro-Edenit
Views (Image: 1217349425): 1103
Ferro-Edenit

Größe: 3 mm; Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland

Copyright: Leonardus
Contribution: slugslayer 2008-07-29
Locality: Hendersons Quarry / Ngongotaha / Rotorua / Bay of Plenty, Region / North Island / Neuseeland
Ferroedenit
Views (Image: 1292179583): 891
Ferroedenit (SNr: A018637)

Braune am Ende farblose langprismatische Kristalle, BB 2,5 mm. Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2010-12-12
Locality: Hendersons Quarry / Ngongotaha / Rotorua / Bay of Plenty, Region / North Island / Neuseeland
Ferroedenit
Views (Image: 1292180297): 908
Ferroedenit (SNr: B001015)

Braune langprismatische Kristalle mit Hämatit und Sanidin, BB 7 mm. Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2010-12-12
Locality: Hendersons Quarry / Ngongotaha / Rotorua / Bay of Plenty, Region / North Island / Neuseeland
Ferroedenit
Views (Image: 1292180800): 754
Ferroedenit (SNr: A009222)

Braune langprismatische Kristalle mit Hämatit und Sanidin, BB 7 mm. Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2010-12-12
Locality: Hendersons Quarry / Ngongotaha / Rotorua / Bay of Plenty, Region / North Island / Neuseeland
Ferroedenit
Views (Image: 1404156112): 406
Ferroedenit (SNr: A019524)

Stängelige schwarze Kristalle, BB = 3,8 mm, Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland.

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2014-06-30
Locality: Hendersons Quarry / Ngongotaha / Rotorua / Bay of Plenty, Region / North Island / Neuseeland

Collectors Summary

Color dunkelgrün, schwarz
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5 - 6
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

NaCa2(Fe2+,Mg)5(Si7Al)O22(OH)2

Chem­ical com­po­si­tion

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

Unit weight: 952.5298574 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaCa2(Fe0.75Mg0.25)5(Si7Al)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.21

2

4.76

1.0079470

2.0158940

Oxygen

O

40.31

24

57.14

15.9994300

383.9863200

Sodium

Na

2.41

1

2.38

22.9897702

22.9897702

Magnesium

Mg

3.19

1.25

2.98

24.3050600

30.3813250

Aluminium

Al

2.83

1

2.38

26.9815382

26.9815382

Silicon

Si

20.64

7

16.67

28.0855300

196.5987100

Calcium

Ca

8.42

2

4.76

40.0784000

80.1568000

Iron

Fe

21.99

3.75

8.93

55.8452000

209.4195000

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.10-100

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

Clas­sifica­tion by Hölzel

9.DH.220

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

Hey's Chem­ical Index of Min­er­als

16.22.04

16: Silicates Containing Aluminum and other Metals
22: Aluminosilicates of Fe, Ca and alkalis

Dana 8th edi­tion

66.01.03a.11

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, Neudefinition vom Amphibol-Subkommittee (1978) als Edenit mit Fe2+ Dominanz

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

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

Optical Properties

Color

dunkelgrün, schwarz

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

Lus­tre

Glasglanz

max. Birefrin­gence

0.020

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

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

1.710

RI value γ / ε

1.730

2V angle

Biaxial (-) 20°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.984

Cell param­e­ters b (Å)

18.223

Cell param­e­ters c (Å)

5.327

Cell param­e­ters a/b or c/a

0.548

Cell param­e­ters c/b

0.292

Cell param­e­ters α

90°

Cell param­e­ters β

105.5

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

933.937

X-Ray Pow­der Diffrac­tion

8.44(100),
3.320(80),
3.060(100),
2.720(80),
2.600(70),
2.550(80),
2.360(70),
2.180(70)

XRD chart Ferro-edenite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5 - 6

VHN (Hard­ness Vick­ers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.42 (gemessen) 3.52 (berechnet)

3.387 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Lalonde & Martin, 1983

References

American Mineralogist 63 (1978), 1023.

Canadian Mineralogist 21 (1983), 81.

Handbook of Mineralogy (Anthony u.w.), 2 (1995), 247.

Canadian Mineralogist 35 (1997), 219.

American Mineralogist 91 (2006), 871.

IMA group assignments

Other languages

German

Ferro-Edenit

French

Ferro-Edenite

Spanish

Ferro-edenita

English

Ferro-edenite

Russian

Ферроэденит

Japanese

鉄エデン閃石

Simplified Chinese

铁浅闪石

Alternative Name

Ferro-edenitic-hornblende

English

Ferroedenite

Silicic-ferro-edenite

Simplified Chinese

铁淡闪石

CNMNC symbol

Symbol

Fed

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Ферроэденит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Ferro-Edenit
Bosse - search for: Ferro-Edenit
Edelsteine Neuburg - Gundolf Fischer - search for: Ferro-Edenit

Locations with GPS information