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Vaterite

Pictures (3 Images total)

Vaterit
Views (File:
1278150222
): 4197
Vaterit
Kristallgröße: 250 µm, Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien, Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Monte Somma/Ercolano/San Vito/Steinbruch San Vito (Cava San Vito)
Mineral: Vaterite
Image: 1278150222
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
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 (File:
1203678460
): 4328
Aggregat aus Vaterit
Rasterelektronenmikroskopische (REM) Aufnahme eines typischen Aggregats synthetisches Vaterits.
Copyright: niklas.loges; Contribution: niklas.loges
Collection: niklas.loges
Mineral: Vaterite
Image: 1203678460
License: Creative Commons - Attribution (CC-BY) V.3.0
Aggregat aus Vaterit

Rasterelektronenmikroskopische (REM) Aufnahme eines typischen Aggregats synthetisches Vaterits.

Collection: niklas.loges
Copyright: niklas.loges
Contribution: niklas.loges 2008-02-22
Vaterit
Views (File:
1541358323
): 801
Vaterit
Vaterit als stengelige weisse xx auf; Monohydrocalcit; Tropfwasserbildung in altem Stollen; BB: 3 cm.
Copyright: Rockhounder; Contribution: Rockhounder
Collection: Rockhounder
Location: Slowakei/Banskobystrický kraj/Banská Bystrica, Okres/Špania Dolina (Herrengrund)/Spania Dolina Lagerstätte/Piesky/Stollen Piesky (Piesocká)
Mineral: Monohydrocalcite, Vaterite
Image: 1541358323
License: Usage for Mineralienatlas project only
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: Stollen Piesky (Piesocká) / Piesky / Spania Dolina Lagerstätte / Špania Dolina (Herrengrund) / Banská Bystrica, Okres / Banskobystrický kraj / Slowakei

You find additional specimen at the Geolitho Museum

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

Volume (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

Other languages

German

Vaterit

Spanish

Vaterita

English

Vaterite

French

Vaterite

Russian

Фатерит

Simplified Chinese

六方球方解石

Alternative Name

Vaterite-B

μ-Calcite

Simplified Chinese

球文石

CNMNC symbol

Symbol

Vtr

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ZKv6rCe-sU6lhLzPgpA9aA
GUID (Global unique identifier) ACFAAB64-BE27-4EB1-A584-BCCF82903D68
Database ID 4037