Alexandrite

Mottramite

Alexandrite Vs Mottramite

Alexandrite

Mottramite

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Astrology

Origin

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia

Color

Green

Brown, Green, Yellow

Streak

Green, Brownish

For which Rashi?

Scorpio

Planet

Venus

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.69-3.815.9

1 7.18

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Fracture

Sub-Conchoidal

Cleavage

1,1 ; 3,2.

None observed

Mohs Hardness

8.53

2 10

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Chemical Composition

BeAl ₂ O ₄

PbCu(VO4)(OH)

Optical Properties

Luster

Vitreous

Greasy

Pleochroism

Visible X=Y= canary yellow to greenish yellow

Dispersion

0.020.04

0.005 1

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Transparency

Transparent, Transparent to nearly opaque

Refractive Index

1.739-1.7702.170

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.007-0.0100.150

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Excellent

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Transformation

Confidence

Healing

Emotional healing

Qualities Associated

Transformation

Alexandrite Vs Mottramite Fracture

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

Compare Gems for Scorpio

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Alexandrite Vs Mottramite Luster

A primary knowledge about Alexandrite 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. Alexandrite exhibits Vitreous luster. Mottramite, on other hand, exhibits Greasy luster.