Cordierite

Nepheline

Cordierite Vs Nepheline

Cordierite

Nepheline

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1 Astrology

1.1 Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Canada

1.2 Color

Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray

White, Reddish, gray, Brown, Brownish

1.3 Streak

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.57-2.662.55-2.65

1 7.18

2.5 Fracture

Subconchoidal, Conchoidal, Brittle

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

Fair on {100}, poor on {001} and {010}

[1010] Poor

2.7 Mohs Hardness

7-7.55-6

2 10

2.8 Chemical Composition

Mg2Al4Si5O18

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Vitreous, Greasy

3.2 Pleochroism

X = pale yellow

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Transparent, Translucent

3.5 Refractive Index

Not Available1.529-1.547

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Hexagonal

3.8 Birefringence

Not Available0.003-0.004

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

Cordierite Vs Nepheline Fracture

Fracture is an important parameter when you compare Cordierite and Nepheline Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Nepheline 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 Cordierite is Brittle, Conchoidal and Subconchoidal. Nepheline fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.

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Cordierite Vs Nepheline Luster

A primary knowledge about Cordierite vs Nepheline 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. Cordierite exhibits Greasy and Vitreous luster. Nepheline, on other hand, exhibits Greasy and Vitreous luster.