Vivianite

Alexandrite

Vivianite Vs Alexandrite

Vivianite

Alexandrite

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Astrology

Origin

Southern and central Africa

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

Color

Blue, Green, Colorless

Green

Streak

White

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

Solubility

Durability

Specific Gravity

2.64-2.703.69-3.81

1 7.18

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Fracture

Cleavage

{010} Perfect

1,1 ; 3,2.

Mohs Hardness

-99998.5

2 10

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Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

BeAl ₂ O ₄

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Dispersion

0.030.02

0.005 1

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Transparency

Transparent

Transparent, Transparent to nearly opaque

Refractive Index

1.560-1.6401.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.054-0.0750.007-0.010

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Hope

Transformation

Healing

Emotional healing

Qualities Associated

Transformation

Vivianite Vs Alexandrite Fracture

Fracture is an important parameter when you compare Vivianite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vivianite Vs Alexandrite 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.

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Vivianite Vs Alexandrite Luster

A primary knowledge about Vivianite vs Alexandrite 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. Vivianite exhibits Vitreous and Pearly luster. Alexandrite, on other hand, exhibits Vitreous luster.