Dravite

Hollandite

Facts about Dravite and Hollandite

Dravite

Hollandite

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1 Astrology

1.1 Origin

Southern and central Africa

Not Available

1.2 Color

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

Grey, Black, gray

1.3 Streak

Colorless

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.03-3.185.05

1 7.18

2.5 Fracture

Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Brittle, Metallic

2.6 Cleavage

{???} Indistinct

Distinct / Good, Prismatic

2.7 Mohs Hardness

7-7.54-6

2 10

2.8 Chemical Composition

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

3 Optical Properties

3.1 Luster

Vitreous

Not Available

3.2 Pleochroism

Very strong: pale yellow colorless

Weak.

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

Not Available

3.5 Refractive Index

1.614-1.666Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

monoclinic

3.8 Birefringence

0.014-0.032Not Available

0 0.296

3.9 Clarity

Transparent

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

Dravite Vs Hollandite Specifications

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

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