Dravite

Bertrandite

Facts about Dravite and Bertrandite

Dravite

Bertrandite

Add ⊕

1 Astrology

1.1 Origin

Southern and central Africa

Not Available, Southern and central Africa

1.2 Color

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

Colorless, Colorless, Yellow

1.3 Streak

Colorless

White

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

3.03-3.182.59-2.60

1 7.18

2.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

{???} Indistinct

{001} Perfect, {110} Distinct, {101} Distinct

2.7 Mohs Hardness

7-7.56-7

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)

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Very strong: pale yellow colorless

none.

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.614-1.6661.583-1.614

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

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

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

3.8 Birefringence

0.014-0.032Not Available

0 0.296

3.9 Clarity

Transparent

TransparentAnthony et al

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 Bertrandite Specifications

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

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