Bertrandite

Gypsum

Bertrandite Vs Gypsum

Bertrandite

Gypsum

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Astrology

Origin

Southern and central Africa

Mexico

Color

Colorless, Yellow

Colorless, White, Greenish, Brown

Streak

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Flexible

Solubility

Soluble

Durability

Specific Gravity

2.59-2.602.20-2.40

1 7.18

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Fracture

Conchoidal, Splintery, Fibrous

Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

Perfect on {010}, distinct on {100}

Mohs Hardness

6-72

2 10

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Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Optical Properties

Luster

Vitreous

Vitreous, Silky, Pearly, Waxy

Pleochroism

none.

None

Dispersion

0.010.01

0.005 1

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Transparency

TransparentAnthony et al

Transparent, Translucent

Refractive Index

1.583-1.6141.521-1.531

1 3.25

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Optic Character

Crystal System

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

monoclinic

Birefringence

-99990.010

0 0.296

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Clarity

TransparentAnthony et al

Transparent

Benefits

Physical

Neurological

Cardiovascular

Promotes mental clarity

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Healing

Emotional healing

Qualities Associated

Creativity

Harmony

Bertrandite Vs Gypsum Fracture

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

Compare Colorless Gems

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Bertrandite Vs Gypsum

Bertrandite Vs Gypsum Luster

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