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Edenite

Pictures (16 Images total)

Edenit XX
Views (Image: 1159127039): 4165, Rating: 8.14
Edenit XX

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

Copyright: John Sobolewski
Contribution: slugslayer 2006-09-24
Locality: Wilberforce / Highlands East Township / Haliburton Co. / Ontario / Kanada
Edenit
Views (Image: 1102285834): 6134, Rating: 8.25
Edenit

ca. 6 cm lang; Fundort: Nord-Malawi

Copyright: berthold
Contribution: Mineralienatlas 2004-12-05
Locality: Malawi
Edenit
Views (Image: 1292178932): 2792
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 (Image: 1261253905): 3166
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 (Image: 1605200994): 607
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
Edenit
Views (Image: 1271353745): 2289
Edenit

Größe: 12 x 12 cm, Fundort: Mina Praborna, Vallée St. Marcel, Aostatal, Italien.

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-15
Locality: Mina Praborna / Saint-Marcel / Aostatal (Valle d'Aosta), Region / Italien

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

Volumne (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



 
 
 
 
 
 


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

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

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

 
 
 
 
 
Na(CaMn)Mg5(Si7Al)O22(OH)2
monoklin
C2/m

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Actuality: 19. May 2022 - 12:11:03

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

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Эденит

Mineral Dealer

German pages

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

Locations with GPS information