Clinoptilolite-(Ca)

Overview

(Ca,Na,K)2-3Al3(Al,Si)2Si13O36·12(H2O)

Fluorescence: noneRadioactive
Barely Detectable Radiation		Magnetic: no
Description
Physical Properties
PropertyValue

Density

2.1-2.2 g/cc

Hardness - Mohs

Clinoptilolite-(Ca) - 3.5-4.0 10Diamond
9Carborundum
8Topaz
7Quartz
6Orthoclase
5Apatite
4Fluorite
3Calcite
2Gypsum
1Talc

Color

white, reddish white

Streak

white

Crystal Properties
PropertyValue

Crystal structure

monoclinic - prismatic

Cleavage

perfect

Tenacity

brittle

Fracture

uneven

Luster

vitreous, glassy

Similar Minerals

Dana Number : 77.01.04.02b


Class: 77


Group: 77.01


Subgroup: 77.01.04 - heulandite


Dana NumberMineral NameFormula
77.01.04.01heulandite-(Ca)(Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)
77.01.04.02clinoptilolite-(K)(K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)
77.01.04.02aclinoptilolite-(Na)(Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)
77.01.04.02bclinoptilolite-(Ca)(Ca,Na,K)2-3Al3(Al,Si)2Si13O36·12(H2O)
77.01.04.03stilbite-(Ca)NaCa4(Al8Si28O72)·28-32(H2O)
77.01.04.04stelleriteCaAl2Si7O18·7(H2O)
77.01.04.05barrerite(Na,K,Ca)2Al2Si7O18·6(H2O)

Nickel-Strunz Number : 09.GE.05


Group : 09


Subgroup : GE


Nickel-Strunz NumberMineral NameFormula
09.GE.05clinoptilolite-(Ca)(Ca,Na,K)2-3Al3(Al,Si)2Si13O36·12(H2O)
09.GE.05clinoptilolite-(K)(K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)
09.GE.05clinoptilolite-(Na)(Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)
09.GE.05heulandite-(Ca)(Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)
Specimens
Localities
Uses