Gypsum

Mottramite

Gypsum Vs Mottramite

Gypsum

Mottramite

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Astrology

Origin

Mexico

Color

Colorless, White, Greenish, Brown

Brown, Green, Yellow

Streak

White

Green, Brownish

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

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.20-2.405.9

1 7.18

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Fracture

Conchoidal, Splintery, Fibrous

Sub-Conchoidal

Cleavage

Perfect on {010}, distinct on {100}

None observed

Mohs Hardness

2 10

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Chemical Composition

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

PbCu(VO4)(OH)

Optical Properties

Luster

Vitreous, Silky, Pearly, Waxy

Greasy

Pleochroism

None

Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.521-1.5312.170

1 3.25

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Optic Character

Crystal System

monoclinic

Orthorhombic

Birefringence

0.0100.150

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Confidence

Healing

Emotional healing

Qualities Associated

Harmony

Transformation

Gypsum Vs Mottramite Fracture

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

Compare Colorless Gems

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Gypsum Vs Mottramite Luster

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