Anthophyllite

Dravite

Anthophyllite Vs Dravite

Anthophyllite

Dravite

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1 Astrology

1.1 Origin

Not Available, Southern and central Africa

Southern and central Africa

1.2 Color

Brown, White, Greenish, gray, Green, Brown, Brownish, White, Greenish, gray, Green, Brown, Brownish

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

1.3 Streak

gray

Colorless

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

2.9-3.53.03-3.18

1 7.18

2.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

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

2.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

{???} Indistinct

2.7 Mohs Hardness

5.5-67-7.5

2 10

2.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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, Pearly

Vitreous

3.2 Pleochroism

When Fe-rich

Very strong: pale yellow colorless

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Transparent

3.5 Refractive Index

1.603-1.6901.614-1.666

1 3.25

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

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

3.8 Birefringence

Not Available0.014-0.032

0 0.296

3.9 Clarity

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

Anthophyllite Vs Dravite Fracture

Fracture is an important parameter when you compare Anthophyllite and Dravite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anthophyllite Vs Dravite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Anthophyllite is Brittle, Brittle, Brittle, Conchoidal, Conchoidal and Conchoidal. Dravite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Irregular, Uneven and Uneven.

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Anthophyllite Vs Dravite Luster

A primary knowledge about Anthophyllite vs Dravite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Anthophyllite exhibits Pearly and Vitreous luster. Dravite, on other hand, exhibits Vitreous luster.