Howlite

Dravite

Facts about Howlite and Dravite

Howlite

Dravite

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1 Astrology

1.1 Origin

Southern and central Africa

1.2 Color

Blue, Colorless, White

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

1.3 Streak

White

Colorless

1.4 For which Rashi?

Gemini, Virgo, Gemini, Virgo, Gemini, Virgo

Not Available

1.5 Planet

Moon

Not Available

1.6 Element of Planets

Earth

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

Quan Yin

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

2.45-2.583.03-3.18

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

None

{???} Indistinct

2.7 Mohs Hardness

3-3.57-7.5

2 10

2.8 Chemical Composition

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

NilArthur Thomas

Very strong: pale yellow colorless

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent

3.5 Refractive Index

1.583-1.6081.614-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

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

3.8 Birefringence

0.0190.014-0.032

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

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

Howlite Vs Dravite Specifications

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

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