Grossular

Black Opal

Facts about Grossular and Black Opal

Grossular

Black Opal

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1 Astrology

1.1 Origin

Sri Lanka, India, Brazil

Australia

1.2 Color

Green, Brown, Brown, Colorless, Green, gray, Yellow

White, Colorless, Blue, Red, Green, Yellow, Violet

1.3 Streak

Brownish, White, Brownish, White

Not Available

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.55-3.731.97-2.22

1 7.18

2.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

none

Not Available

2.7 Mohs Hardness

7-7.56-6.5

2 10

2.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SiO 2 + H 2OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Not Available

3.2 Pleochroism

None

AbsentWalter Schumann

3.3 Dispersion

0.02None

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent

3.5 Refractive Index

1.730-1.7601.370-1.470

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

cubic

Not Available

3.8 Birefringence

0.020Not Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Grossular Vs Black Opal Specifications

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

Grossular is known to regulate the influence of Not Available planet. Black Opal, the unique gem is known to regulate the influence of Not Available planet.