Formula	Name	Family	Number min-max	Isotope mole fraction	State	Relevance
	$Na$	Sodium	element	0 - 2		constituent element	main
	$Ca$	Calcium	element	0 - 1		constituent element	main
	$K$	Potassium	element	0 - 2		constituent element	main
	$Sr$	Strontium	element	0 - 1		constituent element	main
	$Al$	Aluminium	element	2		constituent element	main
	$Si$	Silicon	element	4		constituent element	main
	$O$	Oxygen	element	18		constituent element	main
	$H$	Hydrogen	element	8		constituent element	main

Composition comments

Ca, Na, and K are dominant species, with Sr and Mg occasionallys significant, Ba minor. Other impurity: Fe

Oxides

Formula	$Na_{2}O$	$K_{2}O$	$SrO$	$CaO$	$BaO$	$MgO$	$Al_{2}O_{3}$	$SiO_{2}$	$H_{2}O$
Mass fraction (%)

Strunz

Class

silicates (09)

Division

tektosilicate with zeolitic H2O (09.G)

Family

Chains of 6-membered rings – tabular zeolites (09.GD)

Code

09.GD.10

Dana

Major class

silicates (VIII)

Class

tectosilicate zeolite group (77)

Type

true zeolites (77.01)

Group

Chabazite and related species (77.01.02)

End-members

• Chabazite-Na
• Chabazite-Ca
• Chabazite-K

Phase type

crystalline

Crystal system

various

Crystal class

various

Crystal class symbol

various

Crystal spacegroup

various

Comments

Trigonal - Hexagonal Scalenohedral; -3m (D3d),R-3m except for chabazite-Ca: Triclinic - Pinacoidal; 1 (C1), P1

Pure color

colorless

Color

Colorless, White, Yellowish, Pinkish, Reddish white, Green, Pink, Yellow

Diaphaneity

transparent to translucent

Luster

vitreous

Links

• Wikipedia
• Webmineral database
• Mindat