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Clinohumite

Pictures (12 Images total)

Klinohumit
Views (Image: 1315997745): 3885, Rating: 9.4
Klinohumit

Größe: 0,98 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-14
Locality: Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Klinohumit
Views (Image: 1293815367): 3444, Rating: 9.4
Klinohumit

Größe: 0,85 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
Klinohumit
Views (Image: 1292945370): 2541
Klinohumit

Größe: 3,95 mm; Fundort: Marmorsteinbruch, San Pietro-Val di Breguzzo, Breguzzo, Judikarien (Val Giudicarie), Trento, Trentino-Südtirol (Trentino-Alto Adige), Region, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-21
Locality: Marmorsteinbruch / San Pietro-Val di Breguzzo / Breguzzo / Judikarien (Val Giudicarie) / Trento (Trient), Provinz / Trentino-Südtirol (Trentino-Alto Adige), Region / Italien
Klinohumit
Views (Image: 1297976412): 3551
Klinohumit

Größe: 1,1 mm; Fundort: Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Copyright: Enrico Bonacina
Contribution: Hg 2011-02-17
Locality: Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Klinohumit auf Klinochlor
Views (Image: 1215496433): 4101, Rating: 8.13
Klinohumit auf Klinochlor

FO.: Jikhan, Kokscha-Tal, Bezirk Kuran va Munjan, Provinz Badachshan, Afghanistan / Stufengröße: 11 x 8 cm

Collection: Museum für Naturkunde Gera
Copyright: Hrouda
Contribution: Hrouda 2008-07-08
Locality: Jikhan / Kokscha-Tal / Kuran va Munjan, Bezirk / Badachshan (Badakhshan; Badahsan), Provinz / Afghanistan
Clinohumite
Views (Image: 1246951643): 2774
Clinohumite

Fine, gem quality, with perfect coloure and termination Clinohumite crystals cluster from Kukh-i-Lal gem spinel deposit, Pyandzh River Valley, Pamir Mts, Viloyati Mukhtori Gorno-Badakhshan, Tajikis...

Collection: pegmatite
Copyright: pegmatite
Contribution: pegmatite 2009-07-07
Locality: Kuh-i-Lal Spinell-Lagerstätte (Koh-i-Lal) / Pjandsch-Tal (Pyandzh Valley) / Pamir-Hochgebirge / Berg-Badachschan, Provinz / Tadschikistan

Collectors Summary

Color gelb, braun
Streak color weiß
Hardness (Mohs) 6
Solubility +++ HF, heiße konz. H2SO4, + Säuren
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

Mg9(SiO4)4F2

Chem­ical com­po­si­tion

Magnesium, Silicium, Fluor, Sauerstoff

Unit weight: 625.0753465 u; Number of atoms in the formula: 31

Info

Empirical formula:

Mg9(SiO4)4F2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

40.95

16

51.61

15.9994300

255.9908800

Fluorine

F

6.08

2

6.45

18.9984033

37.9968065

Magnesium

Mg

35.00

9

29.03

24.3050600

218.7455400

Silicon

Si

17.97

4

12.90

28.0855300

112.3421200

Anal­y­sis wt%

SiO2 : 37.54, FeO : 5.58, MnO : 0.62, MgO : 53.03, F : 3.08, H2O : 1.30 (Ref: American Mineralogist 69)

Strunz 9th edi­tion incl. updates

9.AF.55

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
F: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in [4], [5] und/oder nur [6] Koordination
55:Klinohumit-Gruppe

Lapis Clas­sifica­tion

VIII/B.04-040

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
4: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]; Humit-Gruppe

Clas­sifica­tion by Hölzel

9.AI.360

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
3: Chondrodite-Group

Dana 8th edi­tion

52.03.02d.01

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
03: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
02d: Humite group (Clinohumite series)

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Humite polysomatic series

Optical Properties

Color

gelb, braun

Streak color

weiß

max. Birefrin­gence

0.045

Birefringence chart\! Clinohumite title=Birefringence chart Clinohumite

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

1.655

RI value β

1.678

RI value γ / ε

1.700

Ri mean

1.678

2V angle

Biaxial (+) 90°

Optical Data Luminescence

Color SW-UV (254nm)

 

orange

SW-UV Intensity

stark

SW-UV Other Col­ors

 

orangegelb

Most Common Acti­vator

Mn2+

Other Acti­vators

TiO6, n[TiO6]-Gruppe

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

13.71

Cell param­e­ters b (Å)

4.755

Cell param­e­ters c (Å)

10.29

Cell param­e­ters a/b or c/a

2.883

Cell param­e­ters c/b

2.164

Cell param­e­ters α

90°

Cell param­e­ters β

100.83

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

658.868

X-Ray Pow­der Diffrac­tion

5.02(70),
3.70(70),
2.76(70),
2.54(70),
2.51(70),
2.26(70),
1.742(70),
1.738(100)

XRD chart Clinohumite

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)

6

VHN (Hard­ness Vick­ers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.26 (gemessen)

3.151 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HF, heiße konz. H2SO4, + Säuren

Preface

Asso­cia­tions

Spinell

Name from

dem monoklinen Habitus und der Zugehörigkeit zu Humit

Author (Name, Year)

Des Cloizeaux, 1876

Col­lector informa­tion

Exzellente Kristalle aus der Sierra Nevada, Provinz Malaga, Spanien

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 149

IMA group assignments

Varieties

Titanclinohumite

Titanhaltiger Klinohumit

Other languages

Spanish

Clinohumita

French

Clinohumite

English

Clinohumite

German

Klinohumit

Russian

Клиногумит

Traditional Chinese

斜矽鎂石

Simplified Chinese

斜硅镁石

Alternative Name

German

Clinohumit

English

Titanhydroclinohumite

CNMNC symbol

Symbol

Chu

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Клиногумит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Klinohumit
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Edelsteine Neuburg - Gundolf Fischer - search for: Klinohumit

Locations with GPS information