Dravite

Grandidierite

Facts about Dravite and Grandidierite

Dravite

Grandidierite

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1 Astrology

1.1 Origin

Southern and central Africa

Madagascar

1.2 Color

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

Green

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

3.03-3.182.85-3.00

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

{???} Indistinct

Perfect

2.7 Mohs Hardness

7-7.57.5

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)

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Pearly

3.2 Pleochroism

Very strong: pale yellow colorless

visible

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.614-1.6661.578-1.639

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

3.8 Birefringence

0.014-0.0320.037-0.039

0 0.296

3.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

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 Grandidierite Specifications

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

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