Anthophyllite

Sillimanite

Anthophyllite Vs Sillimanite

Anthophyllite

Sillimanite

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Astrology

Origin

Southern and central Africa

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Color

Brown, White, Greenish, gray, Green, Brownish

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

gray

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

2.9-3.53.20-3.26

1 7.18

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Fracture

Conchoidal

Splintery

Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

{010} perfect

Mohs Hardness

5.5-66-7.5

2 10

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Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Subadamantine, Silky

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.010.02

0.005 1

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Transparency

Transparent

Transparent, Translucent

Refractive Index

1.603-1.6901.653-1.685

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Orthorhombic

Birefringence

-99990.020-0.022

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances brain function

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Peace

Creativity

Healing

Emotional healing

Qualities Associated

Self-discovery

Creativity

Anthophyllite Vs Sillimanite Fracture

Fracture is an important parameter when you compare Anthophyllite and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anthophyllite Vs Sillimanite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Anthophyllite is Conchoidal. Sillimanite fracture is Splintery.

Compare Brown Gemstones

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Anthophyllite Vs Sillimanite Luster

A primary knowledge about Anthophyllite vs Sillimanite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Anthophyllite exhibits Vitreous and Pearly luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.