Cavansite

Poudretteite

Cavansite Vs Poudretteite

Cavansite

Poudretteite

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1 Astrology

1.1 Origin

India

Canada, Southern and central Africa

1.2 Color

Blue, Greenish, Greenish, Blue

Violet, Colorless, pink

1.3 Streak

Blue, White

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.25-2.332.51-2.53

1 7.18

2.5 Fracture

Brittle, Metallic, Brittle, Metallic

Conchoidal, Splintery

2.6 Cleavage

Good on {010}

None

2.7 Mohs Hardness

3-45

2 10

2.8 Chemical Composition

Ca(VO)Si4O10•4(H2O)

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Visible: X=Z= colorless Y= blue

Colorless

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.5421.511-1.532

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Hexagonal

3.8 Birefringence

0.0090.021

0 0.296

3.9 Clarity

Not Available

TransparentUlrich Henn and Claudio C. Milisenda

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 Poudretteite Fracture

Fracture is an important parameter when you compare Cavansite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cavansite Vs Poudretteite 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. Poudretteite fracture is Conchoidal and Splintery.

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Cavansite Vs Poudretteite Luster

A primary knowledge about Cavansite vs Poudretteite 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. Poudretteite, on other hand, exhibits Vitreous luster.