https://www.mineral-bosse.de
https://www.edelsteine-neuburg.de
https://weloveminerals.com/
https://www.mineralbox.biz
https://www.mineraliengrosshandel.com
'._('einklappen').'
 

Megawite

Collectors Summary

Crystal System orthorhombisch, Pbnm

Chemism

Chemical formula

CaSnO3

Additional chem. information

Perovskit-Gruppe

Chemical composition

Calcium, Zinn, Sauerstoff

Unit weight: 206.78739 u; Number of atoms in the formula: 5

Info

Empirical formula:

CaSnO3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

23.21

3

60.00

15.9994300

47.9982900
Calcium

Ca

19.38

1

20.00

40.0784000

40.0784000
Tin

Sn

57.41

1

20.00

118.7107000

118.7107000

Analysis wt%

TiO2 : 2.87, ZrO2 : 19.89, HfO2 : 0.62, SnO2 : 44.24, Fe2O3 : 0.85, CaO : 29.80 (Ref: Mineralogical Magazine 2011)

Strunz 9th edition incl. updates

4.CC.30

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
C: Mit großen und mittelgroßen Kationen
30:Perowskit-Gruppe

Lapis Classification

IV/C.10-015

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
10: Perowskit-Reihe

Classification by Hölzel

4.CF.170

4: OXIDES
C: R2O3 Sesquioxides
F: Perovskite-Group

IMA status

anerkannt - Neue Mineralien, IMA WEB-Seite Feb. 2010

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Perowskite group
Perovskite supergroup  ⇒ Stoichiometric perovskites  ⇒ Perovskite subgroup

Optical Properties

RI value α / ω / n

1.89

Ri mean

1.890 Gl

2V angle

Biaxial

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pbnm

Cell parameters a (Å)

5.56

Cell parameters b (Å)

5.71

Cell parameters c (Å)

7.943

Cell parameters a/b or c/a

0.974

Cell parameters c/b

1.391

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

252.171

Crystal structure

Struktur des synthetischen Analog ist bekannt

X-Ray Powder Diffraction

3.984(52), 3.970(19), 2.855(43), 2.812(100), 2.780(19), 1.992(13), 1.985(13), 1.640(13)
XRD chart Megawite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.446 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Russland/Nordkaukasus, Föderationskreis/Kabardino-Balkarien, Republik/Obere vulkanische Chegem-Struktur (Verkhnechegemskaya Caldera)

Russland/Nordkaukasus, Föderationskreis/Kabardino-Balkarien, Republik/Obere vulkanische Chegem-Struktur (Verkhnechegemskaya Caldera)/Lakargi-Gebirge

Russland/Nordkaukasus, Föderationskreis/Kabardino-Balkarien, Republik/Obere vulkanische Chegem-Struktur (Verkhnechegemskaya Caldera)/Xenolith Nummer 1

Preface

Author (Name, Year)

Evgeny V.Galuskin, 2009

References

Neue Mineralien, IMA WEB-Seite Feb. 2010 - [anerkannt, Formel, Kristalldaten]

IMA group assignments

Other languages

German

Megawit

English

Megawite

Russian

Мегавит

CNMNC (IMA)-Number

IMA 2009-090

CNMNC symbol

Symbol

Mgw

Locations with GPS information

IDs

GUSID (Global unique identifier short form) SL2WLr4sOUyarHErHBAHxA
GUID (Global unique identifier) 2E96BD48-2CBE-4C39-9AAC-712B1C1007C4
Database ID 6875