Mineral description : Svabite

Mineral class Phosphates : apatite group.

Chemical formula Ca₅(AsO₄)₃F

Crystal system Trigonal

Habitus Rare as small prismatic crystals. Often as derb masses.

Cleavage Clear cleavage. Brittle fracture.

Hardness 4-5

Density 3.5-3.8

Color Colorless, white, gray, yellow, green to gray-green. Transparent to translucent.

Streak White.

Luster Glas to resinous.

Description See GFF 47 sid 127-131 (1925).

Occurance In scarn rocks.

Associates Hematite and richterite scarn. Mn-aegirin, richterite, tilasite and hematite. (Hematite and Richterite scarn.)

Notes Soluble in weak acids. Flourescent orange-yellow to blue in shortwave UV light.

Locations A rare mineral in Sweden.

Långban, in hematite and schefferite scarn.
Jakobsbergs mine, as small grey prisms.
Harstigen mine, as small grey prisms.
Ultevis district in Lappland ( Rakten, Tjålme) as veins and small crystals.

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Last changed : 1998-03-07

Mineral class	Phosphates : apatite group.
Chemical formula	Ca₅(AsO₄)₃F
Crystal system	Trigonal
Habitus	Rare as small prismatic crystals. Often as derb masses.
Cleavage	Clear cleavage. Brittle fracture.
Hardness	4-5
Density	3.5-3.8
Color	Colorless, white, gray, yellow, green to gray-green. Transparent to translucent.
Streak	White.
Luster	Glas to resinous.
Description	See GFF 47 sid 127-131 (1925).
Occurance	In scarn rocks.
Associates	Hematite and richterite scarn. Mn-aegirin, richterite, tilasite and hematite. (Hematite and Richterite scarn.)
Notes	Soluble in weak acids. Flourescent orange-yellow to blue in shortwave UV light.
Locations	A rare mineral in Sweden. Långban, in hematite and schefferite scarn. Jakobsbergs mine, as small grey prisms. Harstigen mine, as small grey prisms. Ultevis district in Lappland ( Rakten, Tjålme) as veins and small crystals.