Cordierite

Oligoclase

Cordierite Vs Oligoclase

Cordierite

Oligoclase

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1 Astrology

1.1 Origin

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

Southern and central Africa

1.2 Color

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

Colorless, Brown, Greenish, gray

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

2.57-2.662.62-2.67

1 7.18

2.5 Fracture

Subconchoidal, Conchoidal, Brittle

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven

2.6 Cleavage

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

From the Greek, oligos and kasein, little cleavage.

2.7 Mohs Hardness

7-7.56-6.5

2 10

2.8 Chemical Composition

Mg2Al4Si5O18

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Greasy, Vitreous

Vitreous

3.2 Pleochroism

X = pale yellow

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Gemmological Tables (2004)

3.5 Refractive Index

Not Available1.538-1.550

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Not Available

3.8 Birefringence

Not Available0.010

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

Cordierite Vs Oligoclase Fracture

Fracture is an important parameter when you compare Cordierite and Oligoclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Oligoclase 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. Oligoclase fracture is Gems, Gems, Sixth Edition (2006), Sixth Edition (2006) and Uneven.

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Cordierite Vs Oligoclase Luster

A primary knowledge about Cordierite vs Oligoclase 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. Oligoclase, on other hand, exhibits Vitreous luster.