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Edenite (Edenit)

Pictures (20 Images total)

Edenit XX
Views (File:
1159127039
): 4406, Rating: 8.14
Edenit XX
Größe: 45x39mm; Fundort: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Kanada
Copyright: John Sobolewski; Contribution: Philip Blümner
Location: Kanada/Ontario/Haliburton Co./Highlands East Township/Wilberforce
Mineral: Edenite
Image: 1159127039
Rating: 8.14 (votes: 7)
License: Usage for Mineralienatlas project only
Edenit XX

Größe: 45x39mm; Fundort: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Kanada

Copyright: John Sobolewski
Contribution: Philip Blümner 2006-09-24
Locality: Wilberforce / Highlands East Township / Haliburton Co. / Ontario / Kanada
Edenit
Views (File:
1102285834
): 6487, Rating: 8.25
Edenit
ca. 6 cm lang; Fundort: Nord-Malawi
Copyright: berthold; Contribution: Mineralienatlas
Location: Malawi
Mineral: Edenite
Image: 1102285834
Rating: 8.25 (votes: 4)
License: Usage for Mineralienatlas project only
Edenit

ca. 6 cm lang; Fundort: Nord-Malawi
Copyright: berthold
Contribution: Mineralienatlas 2004-12-05
Locality: Malawi
Edenit
Views (File:
1292178932
): 2993
Edenit
farblose nadelige Kristalle, BB 7 mm. Fundort: Hendersons Quarry, Ngongotaha, Region Bay Of Plenty, North Island, Neuseeland
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: B000945, Donator: Manfred Seitz
Location: Neuseeland/North Island/Bay of Plenty, Region/Rotorua/Ngongotaha/Hendersons Quarry
Mineral: Edenite
Image: 1292178932
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Edenit (SNr: B000945)

farblose nadelige Kristalle, 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
Edenit
Views (File:
1261253905
): 3360
Edenit
Wilberforce, Ontario, Kanada, 95x70 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Kanada/Ontario/Haliburton Co./Highlands East Township/Wilberforce
Mineral: Edenite
Image: 1261253905
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Edenit

Wilberforce, Ontario, Kanada, 95x70 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2009-12-19
Locality: Wilberforce / Highlands East Township / Haliburton Co. / Ontario / Kanada
Shcherbakovit von Playa San Juan, Teneriffa
Views (File:
1605200994
): 813
Shcherbakovit von Playa San Juan, Teneriffa
Braune gestreckt-tafelige Kristalle in Begleitung von gelben Edenitnadeln, grünen gestreckten Batisittafeln und kugeligen farblosen Aggregaten von Thomsonit-Ca in Syenit. Bildbreite 3 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/Playa San Juan
Mineral: Batisite, Edenite, Shcherbakovite, Thomsonite-Ca
Image: 1605200994
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Shcherbakovit von Playa San Juan, Teneriffa

Braune gestreckt-tafelige Kristalle in Begleitung von gelben Edenitnadeln, grünen gestreckten Batisittafeln und kugeligen farblosen Aggregaten von Thomsonit-Ca in Syenit. Bildbreite 3 mm
Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2020-11-12
Locality: Playa San Juan / Teneriffa / Kanarische Inseln / Spanien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color bläulichgrün, farblos, grau, weiß, hellgrün
Streak color weiß
Hardness (Mohs) 5.5
Solubility +++ HF, - andere Säuren
Crystal System monoklin, C2/m

Chemism

Chemical formula

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

Chemical composition

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

Unit weight: 873.6795074 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaCa2(Mg0.75Fe0.25)5(Si7Al)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

43.95

24

57.14

15.9994300

383.9863200
Sodium

Na

2.63

1

2.38

22.9897702

22.9897702
Magnesium

Mg

10.43

3.75

8.93

24.3050600

91.1439750
Aluminium

Al

3.09

1

2.38

26.9815382

26.9815382
Silicon

Si

22.50

7

16.67

28.0855300

196.5987100
Calcium

Ca

9.17

2

4.76

40.0784000

80.1568000
Iron

Fe

7.99

1.25

2.98

55.8452000

69.8065000

Analysis wt%

SiO2 : 47.55, TiO2 : 1.56, Al2O3 : 6.33, Fe2O3 : 2.99, FeO : 4.38, MgO : 17.44, CaO : 10.87, Na2O : 4.21, K2O : 1.79, F : 2.79 (Ref: Mineralogicheskii Zhurnal 95)

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.10-090

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

Classification by Hölzel

9.DH.200

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

Dana 8th edition

66.01.03a.10

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 von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

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

Optical Properties

Color

bläulichgrün, farblos, grau, weiß, hellgrün

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.016
Birefringence chart\! Edenite title=Birefringence chart 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

1.654

RI value β

1.666

RI value γ / ε

1.670

Ri mean

1.663

2V angle

Biaxial (-) 50°

Optical Data Luminescence

Luminescence

fluoreszierend

Color SW-UV (254nm)

  

bläulich weiß

Most Common Activator

Dy3+

Other Activators

Sm3+

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)

9.853

Cell parameters b (Å)

18.005

Cell parameters c (Å)

5.236

Cell parameters a/b or c/a

0.547

Cell parameters c/b

0.291

Cell parameters α

90°

Cell parameters β

104.40

Cell parameters γ

90°

Z

2

Volume (ų)

899.701

X-Ray Powder Diffraction

9.01(10),
8.43(80),
4.50(10),
3.377(10),
3.267(40),
3.120(100),
2.800(20),
2.699(20)
XRD chart Edenite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3 - 3.059 / Durchschnittlich = 3.02

3.225 ( ρ calc. Mineralienatlas )

Instability

+++ HF, - andere Säuren

(Co-)Type locality

(Co-)Type locality

USA/New York/Orange Co./Town of Warwick/Edenville

Preface

Author (Name, Year)

Glocker, 1839

References

Canadian Mineralogist 32 (1994), 21

IMA group assignments

 
Amphibole supergroup
 
 
 

 
 
(OH,F,Cl)-dominant amphiboles
 
 
 

 
 
 
Calcium amphiboles
 
 
 

 
 
 
 
Edenite (Ed) amphiboles
 
 
 

 
 
 
 
 
Edenite
NaCa2(Mg,Fe2+)5(Si7Al)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Ferro-edenite
NaCa2(Fe2+,Mg)5(Si7Al)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Fluoro-edenite
NaCa2(Mg,Fe2+)5[F|Al0.5Si3.5O11]2
monoklin
C2/m

 
 
 
 
 
Parvo-mangano-edenite ?
Na(CaMn)Mg5(Si7Al)O22(OH)2
monoklin
C2/m

Refresh list

Actuality: 29. Sep 2024 - 06:01:19

Other languages

German

Edenit

Spanish

Edenita

French

Edenite

English

Edenite

Russian

Эденит

Simplified Chinese

浅闪石

Alternative Name

Edenitic hornblende

Edenitic hornblende

Silicic edenite

CNMNC symbol

Symbol

Ed

Locations with GPS information

IDs

GUSID (Global unique identifier short form) hT5ElJJcWUSE3qjiaRmK6w
GUID (Global unique identifier) 94443E85-5C92-4459-84DE-A8E269198AEB
Database ID 998