Covellite

Hollandite

Facts about Covellite and Hollandite

Covellite

Hollandite

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1 Astrology

1.1 Origin

Mexico

Not Available

1.2 Color

Blue, Blue, Black

Grey, Black, gray

1.3 Streak

Grey, Black, gray

Black

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

Flexible

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

4.6-4.765.05

1 7.18

2.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

Brittle, Metallic

2.6 Cleavage

Perfect on {0001}

Distinct / Good, Prismatic

2.7 Mohs Hardness

Not Available4-6

2 10

2.8 Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

3 Optical Properties

3.1 Luster

Resinous

Not Available

3.2 Pleochroism

Marked

Weak.

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

Not Available

3.5 Refractive Index

1.45-2.62Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

monoclinic

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

OpaqueAnthony et al

Not Available

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

Covellite Vs Hollandite Specifications

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

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