Cavansite

Dravite

Cavansite Vs Dravite

Cavansite

Dravite

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1 Astrology

1.1 Origin

India

Southern and central Africa

1.3 Color

Blue, Greenish, Greenish, Blue

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

1.5 Streak

Blue, White

Colorless

1.7 For which Rashi?

Not Available

1.9 Planet

Not Available

1.11 Element of Planets

Not Available

1.13 How to Wear?

1.13.2 Finger

Not Available

1.13.4 Ring Metal

Not Available

1.15 Energy

Not Available

1.16 Deities

Not Available

1.18 Not to wear with

Not Available

1.21 Powers

Not Available

1.23 Birthstone

1.23.2 Planetary

Not Available

1.23.4 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.25-2.333.03-3.18

1 7.18

2.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

2.6 Cleavage

Good on {010}

{???} Indistinct

2.7 Mohs Hardness

3-47-7.5

2 10

2.8 Chemical Composition

Ca(VO)Si4O10•4(H2O)

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

Visible: X=Z= colorless Y= blue

Very strong: pale yellow colorless

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Not Available

Transparent

3.5 Refractive Index

1.5421.614-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

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

3.8 Birefringence

0.0090.014-0.032

0 0.296

3.9 Clarity

Not Available

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

Cavansite Vs Dravite Fracture

Fracture is an important parameter when you compare Cavansite and Dravite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cavansite 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 Cavansite is Brittle, Brittle, Metallic and Metallic. Dravite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Irregular, Uneven and Uneven.

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Cavansite Vs Dravite Luster

A primary knowledge about Cavansite 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. Cavansite exhibits Pearly and Vitreous luster. Dravite, on other hand, exhibits Vitreous luster.