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Minerals - Chabazite-(Ca) | TerraCollect

Mineral - Chabazite-(Ca)

Chabazite-(Ca)(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O

Chemical Properties

Mineral Class

Silicates

Toxicity

none

Formula

(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O

Unit Cell

a=13.79 c=15.04 Z=1

Physical Properties

Hardness

4 - 5

Streak

white

Density

Normal (2-3,5)

Optical Properties

Color

whiteredorangeyellowpinkcolorless

Birefringence

0.005

Luster

Vitreous

Transparency

translucent,

transparent

Pleochroism

Geomineralogical Properties

Crystal System

Composition

Elements

Mass

SiO₂

47.56

Al₂O₃

20.40

MgO

0.20

CaO

10.52

Na₂O

0.32

K₂O

0.92

H₂O

19.72

USA (Dana 1892)

Karten-Ebenen

Geologische KarteSatelliten Karte

Cleavage

Distinct after {1011}

Fracture

uneven

Tenacity

Brittle

triclinic

Point Group

triclinic-pinacoidal - 1

Space Group

P1 (2)

Habit

massive, Rhombohedron, Cube

Formation

In clefts and cavities of volcanic rocks due to the interaction with hydrothermal solutions at low temperatures

Paragenesis

Twinning

Interpenetrational twins after {0001}

Rarity

Common

Synonyms

Chabazite-(Ca), Chabazite

Groups and Members

Zeolite-Supergroup

Chabazite-Levyne-Group

Chabazite-Subgroup