Chrysotile | Gemopedia

Chrysotile, a fibrous form of serpentine, is also a major source of asbestos worldwide. Its color ranges from white to gray, yellowish brown to brown, and shades of green. Chrysotile has a fibrous, splintery fracture, no cleavage and silky luster. Chrysotile is used most commonly for industrial purposes.
Colors
Gray To Green Sometimes With Yellow To Brownish Hue

Chrysotile Classification

Common Name

Chrysotile

Species

Chrysotile

Variety

Colors

Gray To Green Sometimes With Yellow To Brownish Hue

Alternate Names

Gemstone Groups

Serpentine

Key Separations

RI, magnification, spectrum, appearance and surface condition

Comments

Chrysotile is the most common form of asbestos.

Chrysotile Optical Properties

Transparency

Translucent - Opaque

Refractive Index

1.53-1.549

Birefringence

0.001

Optic Character

Biaxial

Optic Sign

Polariscope Reaction

Aggregate (AGG)

Fluorescence

SWUV:
LWUV:

CCF Reaction

Pleochroism

Unobservable

Dispersion

Comments

Chrysotile Chemistry & Crystallography

Chemical Name

hydrous magnesium phyllosilicate

Chemical Formula

Mg3Si2O5(OH)4

Synthesis

Crystal System

Monoclinic

Classification

Silicate

Nature

Natural

Crystallinity

Aggregate

Comments

Chrysotile Characteristic Physical Properties

Hardness

2.5

Streak

White

Specific Gravity

2.5-2.63

Toughness

Inclusions

Chrysotile is fibrous and often mottled or veined.

Luster

Silky

Stability

Fracture

Uneven, Granular, Splintery

Cleavage

Perfect, in one direction

Comments

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