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Views (Image: 1347530622): 2865

Nimit

Nimit auf plattiger Calcit-Kluftfüllung mit eingelagerten Chrysotilfasern. Fundort: Halde am Hohberg, Sohland an der Spree, Oberlausitz, Sachsen, Deutschland. Stufenbreite: 7 cm.

Collection:

raritätenjäger

Contribution: raritätenjäger 2012-09-13

Locality: Nickelerzvorkommen Hohberg / Sohland an der Spree / Bautzen, Landkreis / Sachsen / Deutschland

Views (Image: 1297771228): 2147

Nimit

Durch Nimit bläulich gefärbte dünne Chrysokollbeschläge mit Calcit auf Lamprophyr von der Armerzhalde, Sohland a.d. Spree, Oberlausitz, Sachsen, Deutschland. Stufenbreite: 10 cm.

Collection:

ex Andreas Gerstenberg (raritätenjäger)

raritätenjäger

Contribution: raritätenjäger 2011-02-15

Locality: Nickelerzvorkommen Hohberg / Sohland an der Spree / Bautzen, Landkreis / Sachsen / Deutschland

Collectors Summary

Color

gelbgrün

Streak color

weiß

Hardness (Mohs)

Crystal System

monoklin, C2/m

Chemism

Chemical formula

(Ni,Mg,Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈

Chemical composition

Aluminium, Eisen, Magnesium, Nickel, Silicium, Sauerstoff, Wasserstoff

Unit weight: 674.7334324 u; Number of atoms in the formula: 36

Info

Empirical formula:

(Ni_0.6Mg_0.3Fe_0.1)₅Al(Si₃Al)O₁₀(OH)₈

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	1.20	8	22.22	1.0079470	8.0635760
Oxygen	O	42.68	18	50.00	15.9994300	287.9897400
Magnesium	Mg	5.40	1.5	4.17	24.3050600	36.4575900
Aluminium	Al	8.00	2	5.56	26.9815382	53.9630764
Silicon	Si	12.49	3	8.33	28.0855300	84.2565900
Iron	Fe	4.14	0.5	1.39	55.8452000	27.9226000
Nickel	Ni	26.10	3	8.33	58.6934200	176.0802600

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Analysis wt%

SiO₂ : 27.27, Al₂O₃ : 15.21, Fe₂O₃ : 4.35, FeO : 2.78, NiO : 29.49, MgO : 10.13, H₂O : 10.75 (Ref: American Mineralogist 70)

Strunz 9th edition incl. updates

9.EC.55

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
55:Chlorit Gruppe

Lapis Classification

VIII/H.23-070

VIII: SILIKATE
H: Schichtsilikate
23: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Chlorit-Gruppe

Classification by Hölzel

9.EJ.380

9: SILICATES
E: Phyllosilicates
J: SudoiteChlorite-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

Chlorite group

Optical Properties

Color	gelbgrün
Streak color	weiß
Diaphaneity (Transparency)	transparent bis durchscheinend
max. Birefringence	0.010
	$Birefringence chart\! Nimite title=Birefringence chart Nimite$ 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	1.637
RI value β	1.647
RI value γ / ε	1.647
Ri mean	1.644
2V angle	Biaxial (-) 15°

Crystallography

Crystal System	monoklin
Class (H-M)	2/m
Space Group number	12
Space Group	C2/m
Cell parameters a (Å)	5.320
Cell parameters b (Å)	9.214
Cell parameters c (Å)	14.302
Cell parameters a/b or c/a	0.577
Cell parameters c/b	1.552
Cell parameters α	90°
Cell parameters β	97.10
Cell parameters γ	90°
Z	2
Volumne (Å³)	695.687
X-Ray Powder Diffraction	14.2(20), 7.10(100), 4.74(20), 3.55(40), 2.841(10)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Hardness (Mohs)	3
VHN (Hardness Vickers)	83 (ungefähre Angabe abgeleitet aus der Mohshärte)
Density (g/cm³)	3.19 - 3.23 / Durchschnittlich = 3.21
	3.221 ( ρ calc. Mineralienatlas )

(Co-)Type locality

Südafrika /Mpumalanga, Provinz /Ehlanzeni, Distrikt /Kaapsche Hoop /Bon Accord /Scotia Talkgrube

Preface

Author (Name, Year)

Hiemstra & De Waal, 1968

References

American Mineralogist 55 (1970), 18

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Nimite	(Ni,Mg,Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	9.EC.55
Odinite	(Fe³⁺,Mg,Al,Fe²⁺,Ti,Mn)_2.4(Si_1.8Al_0.2)O₅(OH)₄ monoklin	9.EC.55
Sudoite	Mg₂Al₃(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	9.EC.55
'Chlorite group'	(Fe,Mg,Al)₆(Si,Al)₄O₁₀(OH)₈	9.EC.55
Cookeite	LiAl₄(Si₃Al)O₁₀(OH)₈ triklin : 1 : C1	9.EC.55
Chamosite	(Fe²⁺,Mg,Fe³⁺)₅Al(Si₃Al)O₁₀(OH,O)₈ monoklin : 2/m : C2/m	9.EC.55
'Delessite' (Var.v. Chamosite)	(Mg,Fe,Fe,Al)(Si,Al)₄O₁₀(O,OH)₈	9.EC.55
Gonyerite	Mn²⁺₅Fe³⁺(Si₃Fe³⁺O₁₀)(OH)₈ orthorhombisch	9.EC.55
Donbassite	Al_2.3[(OH)₈\|AlSi₃O₁₀] monoklin : 2 : C2	9.EC.55
'Odinite-1T' (Pol.v. Odinite)	(Fe,Mg,Al)_2.5(Si,Al)₂O₅(OH)₄ trigonal	9.EC.55
Pennantite	Mn²⁺₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	9.EC.55
Glagolevite	NaMg₆[(OH,O)₈\|AlSi₃O₁₀]·H₂O triklin : 1 : C1	9.EC.55
Clinochlore	(Mg,Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	9.EC.55
Baileychlore	(Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈ triklin : 1, 1 : C1, C1	9.EC.55
Borocookeite	Li_1-1.5Al_4-3.5[(OH,F)₈\|(B,Al)Si₃O₁₀] monoklin : 2/m : C2/m	9.EC.55
'Chromian Clinochlore' (Var.v. Clinochlore)	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈ monoklin	9.EC.55
'Orthochamosite' (Pol.v. Chamosite)	(Fe²⁺,Mg,Fe³⁺)₅Al(Si₃Al)O₁₀(OH,O)₈ orthorhombisch	9.EC.55
Franklinfurnaceite	Ca₂(Fe³⁺,Al)Mn³⁺Mn₃²⁺Zn₂Si₂O₁₀(OH)₈ monoklin : 2 : C2	9.EC.55

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Donbassite	Al_2.3[(OH)₈\|AlSi₃O₁₀] monoklin : 2 : C2	VIII/H.23-005
Sudoite	Mg₂Al₃(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	VIII/H.23-010
Clinochlore	(Mg,Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	VIII/H.23-020
Chamosite	(Fe²⁺,Mg,Fe³⁺)₅Al(Si₃Al)O₁₀(OH,O)₈ monoklin : 2/m : C2/m	VIII/H.23-030
'Orthochamosite' (Pol.v. Chamosite)	(Fe²⁺,Mg,Fe³⁺)₅Al(Si₃Al)O₁₀(OH,O)₈ orthorhombisch	VIII/H.23-040
Baileychlore	(Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈ triklin : 1, 1 : C1, C1	VIII/H.23-050
Pennantite	Mn²⁺₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	VIII/H.23-060
Nimite	(Ni,Mg,Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	VIII/H.23-070
Gonyerite	Mn²⁺₅Fe³⁺(Si₃Fe³⁺O₁₀)(OH)₈ orthorhombisch	VIII/H.23-080
Cookeite	LiAl₄(Si₃Al)O₁₀(OH)₈ triklin : 1 : C1	VIII/H.23-090
Borocookeite	Li_1-1.5Al_4-3.5[(OH,F)₈\|(B,Al)Si₃O₁₀] monoklin : 2/m : C2/m	VIII/H.23-095
Manandonite	Li₂Al₄[(Si₂AlB)O₁₀](OH)₈ triklin : 1 : C1	VIII/H.23-100
Jadarite	LiNaB₃SiO₇(OH)	VIII/H.23-105
Franklinfurnaceite	Ca₂(Fe³⁺,Al)Mn³⁺Mn₃²⁺Zn₂Si₂O₁₀(OH)₈ monoklin : 2 : C2	VIII/H.23-110

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Chamosite	(Fe²⁺,Mg,Fe³⁺)₅Al(Si₃Al)O₁₀(OH,O)₈ monoklin : 2/m : C2/m	9.EJ.320
'Thuringite' (Var.v. Chamosite)		9.EJ.330
Baileychlore	(Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈ triklin : 1, 1 : C1, C1	9.EJ.360
Glagolevite	NaMg₆[(OH,O)₈\|AlSi₃O₁₀]·H₂O triklin : 1 : C1	9.EJ.370
Nimite	(Ni,Mg,Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈ monoklin : 2/m : C2/m	9.EJ.380

Other languages

German	Nimit
Spanish	Nimita
French	Nimite
English	Nimite
Russian	Нимит

Alternative Name

Schuchardite

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

German pages	DeWikiPedia - search for: Nimit Google-Bilder-Suche - search for: Nimit Mineralogisch-Petrographisches-Institut Hamburg - search for: Nimit
English pages	Mindat - search for: Nimite Webmineral - search for:Nimite Handbook-of-Mineralogy - search for: Nimite RRUFF - Raman, XRD and other mineral data - search for: Nimite RRUFF - References and PDF downloads - search for: Nimite American-Mineralogist-Crystal-Structure-Database - search for: Nimite Athena - search for: Nimite
Russian pages	Webmineral.ru - search for: Нимит

Mineral Dealer

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