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Vaterite

Pictures (4 Images total)

Vaterit
Views (Image: 1278150222): 3804
Vaterit

Kristallgröße: 250 µm, Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien, Italien

Copyright: Luigi Chiappino
Contribution: thdun5 2010-07-03
Locality: Steinbruch San Vito (Cava San Vito) / San Vito / Ercolano / Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Aggregat aus Vaterit
Views (Image: 1203678460): 4091
Aggregat aus Vaterit

Rasterelektronenmikroskopische (REM) Aufnahme eines typischen Aggregats synthetisches Vaterits.

Collection: niklas.loges
Copyright: niklas.loges
Contribution: niklas.loges 2008-02-22
Vaterit - Bestimmung unsicher!
Views (Image: 1416943037): 740
Vaterit - Bestimmung unsicher! (SNr: A000001)

Achtung, beachten sie auch die Bilddikussion dazu: https://www.mineralienatlas.de/forum/index.php/topic,38012.0.html: Derb bräunlich - olivbräunlich, BB = 6,5mm, Originaltext zur Stufe = das Minera...

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-11-25
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Vaterit
Views (Image: 1541358323): 463
Vaterit

Vaterit als stengelige weisse xx auf; Monohydrocalcit; Tropfwasserbildung in altem Stollen; BB: 3 cm.

Collection: Rockhounder
Copyright: Rockhounder
Contribution: Rockhounder 2018-11-04
Locality: Spania Dolina (Herrengrund) und Piesky und Richtarova / Banská Bystrica (Neusohl) / Banská Bystrica, Okres / Banskobystrický kraj / Slowakei

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 3
Solubility +++ Säuren, an trockener Luft stabil
Crystal System hexagonal, P63/mmc

Additional information / Summary

Es scheint einige Polytypen von Vaterit zu geben

Chemism

Chem­ical formula

CaCO3

Chem­ical com­po­si­tion

Calcium, Kohlenstoff, Sauerstoff

Unit weight: 100.08747 u; Number of atoms in the formula: 5

Info

Empirical formula:

CaCO3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

12.00

1

20.00

12.0107800

12.0107800

Oxygen

O

47.96

3

60.00

15.9994300

47.9982900

Calcium

Ca

40.04

1

20.00

40.0784000

40.0784000

Anal­y­sis wt%

CaO : 56.03, CO2 : 43.97 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

5.AB.20

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

Lapis Clas­sifica­tion

V/B.02-010

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

Clas­sifica­tion by Hölzel

5.AB.105

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal
1: Calcite-Group

Dana 8th edi­tion

14.01.02.01

14: Anhydrous Carbonates
01: Anhydrous Carbonates with Simple Formula A+ CO3
02: Vaterite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

0.100

Birefringence chart\! Vaterite title=Birefringence chart Vaterite

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

1.550

RI value γ / ε

1.650

Ri mean

1.583

2V angle

Uniaxial (+)

Optical Data Luminescence

MW-UV (320nm)

 

grünlich blau

Most Common Acti­vator

organische Unreinheiten

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell param­e­ters a (Å)

4.130

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

8.490

Cell param­e­ters a/b or c/a

2.056

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

125.412

X-Ray Pow­der Diffrac­tion

4.24(10),
3.58(50),
3.30(100),
2.733(90),
2.065(60),
1.855(20),
1.821(40),
1.643(20)

XRD chart Vaterite

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)

3

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.65 (berechnet)

2.65 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren, an trockener Luft stabil

Preface

Name from

Heinrich Vater (1859-1930), Professor der Mineralogie und Chemie, Tharandt, Deutschland

Author (Name, Year)

Meigen, 1911

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 733

Verhandlungen der Gesellschaft Deutscher Naturforscher und Ärzte 82 (1911), 120

Science 340 (2013), 454

CrystEngComm 14 (2012), 44-47

Crystal Growth & Design 13 (2013), 2247-2251

Powder Diffraction 26 (2011), 16-21

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

Vaterite

CaCO3

hexagonal : 6/mmm : P63/mmc

5.AB.20

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

Vaterite

CaCO3

hexagonal : 6/mmm : P63/mmc

V/B.02-010

Calcite

CaCO3

trigonal : 3m : R3c

V/B.02-020

Magnesite

MgCO3

trigonal : 3m : R3c

V/B.02-030

Siderite

Fe2+CO3

trigonal : 3m : R3c

V/B.02-040

Rhodochrosite

Mn(CO3)

trigonal : 3m : R3c

V/B.02-050

Smithsonite

ZnCO3

trigonal : 3m : R3c

V/B.02-060

Spherocobaltite

CoCO3

trigonal : 3m : R3c

V/B.02-070

Gaspéite

(Ni,Mg,Fe2+)CO3

trigonal : 3m : R3c

V/B.02-080

Otavite

CdCO3

trigonal : 3m : R3c

V/B.02-090

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

Calcite

CaCO3

trigonal : 3m : R3c

5.AB.100

Vaterite

CaCO3

hexagonal : 6/mmm : P63/mmc

5.AB.105

Otavite

CdCO3

trigonal : 3m : R3c

5.AB.110

Magnesite

MgCO3

trigonal : 3m : R3c

5.AB.130

Siderite

Fe2+CO3

trigonal : 3m : R3c

5.AB.140

Spherocobaltite

CoCO3

trigonal : 3m : R3c

5.AB.145

Gaspéite

(Ni,Mg,Fe2+)CO3

trigonal : 3m : R3c

5.AB.150

Rhodochrosite

Mn(CO3)

trigonal : 3m : R3c

5.AB.160

Smithsonite

ZnCO3

trigonal : 3m : R3c

5.AB.170

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Calcite

CaCO3

trigonal : 3m : R3c

14.01.01.01

Magnesite

MgCO3

trigonal : 3m : R3c

14.01.01.02

Siderite

Fe2+CO3

trigonal : 3m : R3c

14.01.01.03

Rhodochrosite

Mn(CO3)

trigonal : 3m : R3c

14.01.01.04

Smithsonite

ZnCO3

trigonal : 3m : R3c

14.01.01.06

Otavite

CdCO3

trigonal : 3m : R3c

14.01.01.07

Gaspéite

(Ni,Mg,Fe2+)CO3

trigonal : 3m : R3c

14.01.01.08

Vaterite

CaCO3

hexagonal : 6/mmm : P63/mmc

14.01.02.01

Gregoryite

(Na2,K2,Ca)CO3

hexagonal : 6mm : P63mc

14.01.02.02

Aragonite

CaCO3

orthorhombisch : mmm : Pmcn

14.01.03.01

Witherite

BaCO3

orthorhombisch : mmm : Pmcn

14.01.03.02

Strontianite

SrCO3

orthorhombisch : mmm : Pmcn

14.01.03.03

Cerussite

PbCO3

orthorhombisch : mmm : Pmcn

14.01.03.04

Rutherfordine

UO2(CO3)

orthorhombisch : mm2 : Imm2

14.01.04.01

Widenmannite

Pb2(OH)2[(UO2)(CO3)2]

orthorhombisch : mmm : Pmmn

14.01.05.01

Natrite

Na2CO3

monoklin : 2/m : C2/m

14.01.06.01

Zabuyelite

Li2CO3

monoklin : 2/m : C2/c

14.01.06.02

Čejkaite

Na4UO2(CO3)3

triklin : 1 : P1 ?

14.01.07.01

Alternative Name

Vaterite-B

μ-Calcite

Simplified Chinese

球文石

CNMNC symbol

Symbol

Vtr

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

German pages

DeWikiPedia - search for: Vaterit
Google-Bilder-Suche - search for: Vaterit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Vaterit

English pages

Mindat - search for: Vaterite
Webmineral - search for:Vaterite
Handbook-of-Mineralogy - search for: Vaterite
RRUFF - Raman, XRD and other mineral data - search for: Vaterite
RRUFF - References and PDF downloads - search for: Vaterite
American-Mineralogist-Crystal-Structure-Database - search for: Vaterite
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Russian pages

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German pages

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