Gypsum

Cordierite

Gypsum Vs Cordierite

Gypsum

Cordierite

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1 Astrology

1.1 Origin

Mexico

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

1.2 Color

Colorless, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown

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

Flexible

Brittle

2.2 Solubility

Soluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.20-2.402.57-2.66

1 7.18

2.5 Fracture

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

Subconchoidal, Conchoidal, Brittle

2.6 Cleavage

Perfect on {010}, distinct on {100}

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

2.7 Mohs Hardness

27-7.5

2 10

2.8 Chemical Composition

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Mg2Al4Si5O18

3 Optical Properties

3.1 Luster

Vitreous, Silky, Pearly, Waxy

Greasy, Vitreous

3.2 Pleochroism

None

X = pale yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Not Available

3.5 Refractive Index

1.521-1.531Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Orthorhombic

3.8 Birefringence

0.010Not Available

0 0.296

3.9 Clarity

Transparent

Not Available

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

Gypsum Vs Cordierite Fracture

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

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Gypsum Vs Cordierite Luster

A primary knowledge about Gypsum vs Cordierite 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. Gypsum exhibits Pearly, Silky, Vitreous and Waxy luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.