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Huntite

Pictures (4 Images total)

Huntit
Views (File:
1424768061
): 1984
Huntit
weiße, kreideartige Krusten und kugelige Aggregate neben kleinen Aragonit xx; Absetzerhalde, Ronneburger Revier, Thüringen, BRD;  Stufe: 4 x 4 cm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Deutschland/Thüringen/Greiz, Landkreis/Ronneburg/Absetzerhalde
Mineral: Huntite
Image: 1424768061
License: Usage for Mineralienatlas project only
Huntit

weiße, kreideartige Krusten und kugelige Aggregate neben kleinen Aragonit xx; Absetzerhalde, Ronneburger Revier, Thüringen, BRD;  Stufe: 4 x 4 cm

Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2015-02-24
Locality: Absetzerhalde / Ronneburg / Greiz, Landkreis / Thüringen / Deutschland
Huntit
Views (File:
1619118888
): 486
Huntit
Koksin, Svihov, Klattau, Pilsner Region, CZ. Bb: 8cm.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Tschechien/Pilsen (Plzeňský kraj)/Klattau (Klatovy), Bezirk/Schwihau (Švihov)/Kokšín
Mineral: Huntite
Image: 1619118888
License: Usage for Mineralienatlas project only
Huntit

Koksin, Svihov, Klattau, Pilsner Region, CZ. Bb: 8cm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-04-22
Locality: Kokšín / Schwihau (Švihov) / Klattau (Klatovy), Bezirk / Pilsen (Plzeňský kraj) / Tschechien
Huntit
Views (File:
1620915126
): 369
Huntit
Huntit; Tschechien/Pilsner Region (Plzeňský kraj)/Klattau (Klatovy), Bezirk/Svihov/Koksin; Größe: 11,0 x 6,0 x 6,6 cm;
Copyright: Robert F.; Contribution: Doc Fuse
Collection: Robert F., Collection number: V B 3.70a
Location: Tschechien/Pilsen (Plzeňský kraj)/Klattau (Klatovy), Bezirk/Schwihau (Švihov)/Kokšín
Mineral: Huntite
Image: 1620915126
License: Usage for Mineralienatlas project only
Huntit (SNr: V B 3.70a)

Huntit; Tschechien/Pilsner Region (Plzeňský kraj)/Klattau (Klatovy), Bezirk/Svihov/Koksin; Größe: 11,0 x 6,0 x 6,6 cm;

Collection: Robert F.
Copyright: Robert F.
Contribution: Doc Fuse 2021-05-13
Locality: Kokšín / Schwihau (Švihov) / Klattau (Klatovy), Bezirk / Pilsen (Plzeňský kraj) / Tschechien
Huntit
Views (File:
1717525553
): 18
Huntit
Huntit als cremefarbene Kruste auf Serpentinit; Stb. Haidberg bei Zell; BB: 2 cm
Copyright: Rockhounder; Contribution: Rockhounder
Collection: Rockhounder
Location: Deutschland/Bayern/Oberfranken, Bezirk/Hof, Landkreis/Zell im Fichtelgebirge/Steinbruch Haidberg
Mineral: Huntite
Image: 1717525553
License: Usage for Mineralienatlas project only
Huntit

Huntit als cremefarbene Kruste auf Serpentinit; Stb. Haidberg bei Zell; BB: 2 cm

Collection: Rockhounder
Copyright: Rockhounder
Contribution: Rockhounder 2024-06-04
Locality: Steinbruch Haidberg / Zell im Fichtelgebirge / Hof, Landkreis / Oberfranken, Bezirk / Bayern / Deutschland

Collectors Summary

Color weiß, gelblich-weiß
Streak color weiß
Hardness (Mohs) 1.5
Solubility +++ Säuren
Crystal System trigonal, R32

Chemism

Chemical formula

CaMg3(CO3)4

Chemical composition

Calcium, Magnesium, Kohlenstoff, Sauerstoff

Unit weight: 353.02986 u; Number of atoms in the formula: 20

Info

Empirical formula:

CaMg3(CO3)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

13.61

4

20.00

12.0107800

48.0431200

Oxygen

O

54.38

12

60.00

15.9994300

191.9931600

Magnesium

Mg

20.65

3

15.00

24.3050600

72.9151800

Calcium

Ca

11.35

1

5.00

40.0784000

40.0784000

Analysis wt%

CaO : 15.42, MgO : 34.09, CO2 : 48.58, H2O : 1.33 (Ref: American Mineralogist 63)

Strunz 9th edition incl. updates

5.AB.25

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
B: Alkali-Erden- (und andere M2*) Carbonate
25:Huntit-Gruppe

Lapis Classification

V/B.03-070

V: NITRATE, CARBONATE UND BORATE
B: Wasserfreie Carbonate [CO3] 2-, ohne fremde Anionen
3: Dolomit-Gruppe

Classification by Hölzel

5.AB.380

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal
3: Other Double Carbonates

Dana 8th edition

14.04.03.01

14: Anhydrous Carbonates
04: Anhydrous Carbonates with Compound Formula A+2 B++2 (CO3)4

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß, gelblich-weiß

Streak color

weiß

max. Birefringence

0.163

Birefringence chart\! Huntite title=Birefringence chart Huntite

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

1.680

RI value γ / ε

1.517

Ri mean

1.626

2V angle

Uniaxial (-)

Optical Data Luminescence

Luminescence

fluoreszierend

Color LW-UV (365nm)

 

gelblich weiß

LW-UV Intensity

stark

Color SW-UV (254nm)

 

gelblich weiß

SW-UV Intensity

stark

LW-UV Other Colors

   

blau, bläulich

MW-UV Other Colors

 

blau

SW-UV Other Colors

 

bläulich weiß

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

trigonal

Class (H-M)

32

Space Group number

155

Space Group

R32

Cell parameters a (Å)

9.505

Cell parameters b (Å)

-

Cell parameters c (Å)

7.821

Cell parameters a/b or c/a

0.823

Cell parameters c/b

-

Z

3

Volume (ų)

611.924

X-Ray Powder Diffraction

2.838(100),
2.580(50),
2.444(50),
2.388(50),
2.204(50),
1.986(70),
1.769(70),
1.590(50)

XRD chart Huntite

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)

1.5

VHN (Hardness Vickers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.696

2.874 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Author (Name, Year)

Faust, 1953

References

American Mineralogist 38 (1953), 4

Other languages

German

Huntit

Spanish

Huntita

French

Huntite

English

Huntite

Russian

Хантит

CNMNC symbol

Symbol

Hun

Locations with GPS information

IDs

GUSID (Global unique identifier short form) AsuGPO1eZUiukRhKlePXHQ
GUID (Global unique identifier) 3C86CB02-5EED-4865-AE91-184A95E3D71D
Database ID 1648