Sillimanite

Lepidolite

Sillimanite Vs Lepidolite

Sillimanite

Lepidolite

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Astrology

Origin

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

Afghanistan, Southern and central Africa, California

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Violet, Colorless, gray, White

Streak

White

For which Rashi?

Libra

Planet

Jupiter, Neptune

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Zeus

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.80-2.90

1 7.18

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Fracture

Splintery

Uneven

Cleavage

{010} perfect

{001} perfect

Mohs Hardness

6-7.52.5

2 10

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Chemical Composition

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

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous, Pearly

Pleochroism

Colourless to pale brown to yellow

X = almost colorless; Y = Z = pink

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.653-1.6851.525-1.587

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.020-0.0220.0290-0.0380

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Promotes emotional balance and mental clarity

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Stress Relief

Healing

Emotional healing

Qualities Associated

Creativity

Stress Relief

Sillimanite Vs Lepidolite Fracture

Fracture is an important parameter when you compare Sillimanite and Lepidolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Lepidolite 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 Sillimanite is Splintery. Lepidolite fracture is Uneven.

Compare Blue Gemstones

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Sillimanite Vs Lepidolite Luster

A primary knowledge about Sillimanite vs Lepidolite 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. Sillimanite exhibits Vitreous, Subadamantine and Silky luster. Lepidolite, on other hand, exhibits Vitreous and Pearly luster.