Dumortierite

Sillimanite

Facts about Dumortierite and Sillimanite

Dumortierite

Sillimanite

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1 Astrology

1.1 Origin

Southern and central Africa, violet, blue, violet, blue

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

1.2 Color

Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

White

1.4 For which Rashi?

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

Not Available

1.5 Planet

Saturn

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Isis

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Healing

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Tough

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.26-3.413.20-3.26

1 7.18

2.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Splintery

2.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

{010} perfect

2.7 Mohs Hardness

7-8.56-7.5

2 10

2.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Subadamantine, Silky

3.2 Pleochroism

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

Colourless to pale brown to yellow

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent, Translucent to opaque

Transparent, Translucent

3.5 Refractive Index

1.669-1.7231.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.011-0.0370.020-0.022

0 0.296

3.9 Clarity

Translucent

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Dumortierite Vs Sillimanite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Dumortierite Vs Sillimanite specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Dumortierite and Sillimanite Astrology. Its highly necessary to have a basic knowledge of facts about Dumortierite and Sillimanite, before you finalize to buy one.

Dumortierite is known to regulate the influence of Saturn planet.Dumortierite, that occurs commonly in Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink color, possesses Receptive energy.Sillimanite, the unique gem is known to regulate the influence of Not Available planet.