Danburite

Sillimanite

Danburite Vs Sillimanite

Danburite

Sillimanite

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Astrology

Origin

USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan

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

Color

Yellow, Brown, Colorless, White, gray, Brownish

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

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

Brittle

Tough

Solubility

Durability

Specific Gravity

2.97-3.033.20-3.26

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Splintery

Cleavage

{001} Poor

{010} perfect

Mohs Hardness

76-7.5

2 10

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Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Optical Properties

Luster

Vitreous, Greasy

Vitreous, Subadamantine, Silky

Pleochroism

Weak: pale yellow yellow

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.627-1.6391.653-1.685

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.0060.020-0.022

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Spiritual Awareness

Creativity

Healing

Emotional healing

Qualities Associated

Spiritual Awakening

Creativity

Danburite Vs Sillimanite Fracture

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

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Danburite Vs Sillimanite Luster

A primary knowledge about Danburite 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. Danburite exhibits Vitreous and Greasy luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.