Hollandite

Precious Opal

Facts about Hollandite and Precious Opal

Hollandite

Precious Opal

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1 Astrology

1.1 Origin

Not Available

Australia

1.2 Color

Grey, Black, gray

Yellow, Green, Blue

1.3 Streak

Black

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

5.051.98-2.25

1 7.18

2.5 Fracture

Brittle, Metallic

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

2.6 Cleavage

Distinct / Good, Prismatic

Not Available

2.7 Mohs Hardness

4-65-6.5

2 10

2.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

SiO 2 · nH 2OGemdat.org , Management Team (2012)

3 Optical Properties

3.1 Luster

Not Available

3.2 Pleochroism

Weak.

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Not Available

Transparent, Translucent

3.5 Refractive Index

Not Available1.370-1.470

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Not Available

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

Hollandite Vs Precious Opal Specifications

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

Hollandite is known to regulate the influence of Not Available planet. Precious Opal, the unique gem is known to regulate the influence of Not Available planet.