Sillimanite

Opal

Facts about Sillimanite and Opal

Sillimanite

Opal

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1 Astrology

1.1 Origin

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

Ethiopia

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Yellow, White, Red, Brown, Blue

1.3 Streak

White

1.4 For which Rashi?

Not Available

Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio

1.5 Planet

Not Available

Mercury

1.6 Element of Planets

Not Available

Earth, Air, Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Projective, Receptive

1.9 Deities

Not Available

Cupid

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Astral Projection, Psychicism

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Tough

BrittleWalter Schumann

2.2 Solubility

Not Available

hot salt water

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.261.98-2.25

1 7.18

2.5 Fracture

Splintery

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

2.6 Cleavage

{010} perfect

None

2.7 Mohs Hardness

6-7.55-6.5

2 10

2.8 Chemical Composition

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

SiO₂ · nH₂O

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Vitreous, Pearly

3.2 Pleochroism

Colourless to pale brown to yellow

None

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.653-1.6851.37-1.52

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.020-0.022Not Available

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

Sillimanite Vs Opal Specifications

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

Sillimanite is known to regulate the influence of Not Available planet. Opal, the unique gem is known to regulate the influence of Mercury planet. Opal, which is classic Yellow, White, Red, Brown, Blue colored gem, possesses Projective and Receptive energy.