Constituent BiOCl - Bismoclite | SSHADE

Constituent

Name: BiOCl - Bismoclite
IMA name: Bismoclite

Class: non-silicate mineral
Compound type: halide

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass fraction: 1.0

Chemical composition

Formula: $BiOCl$
Chemical formula: BiOCl
Elemental formula: (Bi3+) (O2-) (Cl-)
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Isotope mole fraction	State	Relevance
	$Bi^{3+}$	Bismuth cation	element	1		constituent cation	main
	$O^{2-}$	Oxide anion	element	1		constituent anion	main
	$Cl^-$	Chloride anion	element	1		constituent anion	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$\cdot (\cdot) Bi^{3+} \cdot O^{2-} \cdot$	1
	$\cdot (\cdot) Bi^{3+} \cdot Cl^{-}$	1

Oxides composition

Oxides

Formula	$Cl$
Mass fraction (%)	13.61

Oxides comments

Bi2O3=89.46%, -3.07 % -O=Cl2

Classifications

Strunz

Class: halides (03)
Division: oxyhalides, hydroxyhalides and related double halides (03.D)
Family: With Pb (As,Sb,Bi), without Cu (03.DC)
Code: 03.DC.25

Dana

Major class: halides (IV)
Class: oxyhalides and hydroxyhalides (10)
Type: where A (O,OH) Xq (10.02)
Group: Bismoclite Group (10.02.01)
Code: 10.02.01.02

Phase type: crystalline

Crystallography

Crystal system: tetragonal
Crystal class: ditetragonal-dipyramidal
Crystal class symbol: 4/mmm (D4h)
Crystal spacegroup: P4/nmm

Texture: polycrystalline

Physical properties

Molar mass: 260.43 $g/mol$
Density: 7.717 $g/cm^3$

Optical properties

Refringence type: uniaxial
Refringence sign: negative
Birefringence: 0.2400
Refraction index $n_{\alpha}$: 2.15
Refraction index $n_{\beta}$: 1.91
Color: white, brown, colorless, gray, yellow, yellow brown
Diaphaneity: transparent to translucent
Luster: greasy