Gypsum

Rock Crystal

Gypsum Vs Rock Crystal

Gypsum

Rock Crystal

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1 Astrology

1.1 Origin

Mexico

Sri Lanka

1.2 Color

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

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

1.3 Streak

White

Not Available

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

Not Available

2.2 Solubility

Soluble

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.20-2.402.65

1 7.18

2.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

Perfect on {010}, distinct on {100}

Not Available

2.7 Mohs Hardness

2 10

2.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

3 Optical Properties

3.1 Luster

Vitreous, Silky, Pearly, Waxy

Not Available

3.2 Pleochroism

None

AbsentWalter Schumann

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Transparent, Translucent

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

3.5 Refractive Index

1.521-1.5311.544-1.553

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Not Available

3.8 Birefringence

0.0100.009

0 0.296

3.9 Clarity

Transparent

TransparentWalter Schumann

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 Rock Crystal Fracture

Fracture is an important parameter when you compare Gypsum and Rock Crystal Physical Properties. It is necessary to understand the significance of these properties, before you compare Gypsum Vs Rock Crystal 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. Rock Crystal fracture is ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) and Gemstones of the world (2001).

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Gypsum Vs Rock Crystal Luster

A primary knowledge about Gypsum vs Rock Crystal 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.