Willemite

Sillimanite

Facts about Willemite and Sillimanite

Willemite

Sillimanite

Add ⊕

1 Astrology

1.1 Origin

Canada

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

1.2 Color

Yellow, Brown, Red, White, Green, Reddish, Black

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

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

3.89-4.183.20-3.26

1 7.18

2.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

Splintery

2.6 Cleavage

{0001}, {11 2 0} imperfect

{010} perfect

2.7 Mohs Hardness

5.56-7.5

2 10

2.8 Chemical Composition

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

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

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Vitreous, Subadamantine, Silky

3.2 Pleochroism

NilArthur Thomas

Colourless to pale brown to yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

3.5 Refractive Index

1.687-1.7231.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.028-0.0300.020-0.022

0 0.296

3.9 Clarity

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

Willemite Vs Sillimanite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Willemite 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 Willemite and Sillimanite Astrology. Its highly necessary to have a basic knowledge of facts about Willemite and Sillimanite, before you finalize to buy one.

Willemite is known to regulate the influence of Not Available planet. Sillimanite, the unique gem is known to regulate the influence of Not Available planet.