Thulite

Alexandrite

Thulite Vs Alexandrite

Thulite

Alexandrite

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Astrology

Origin

Australia

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

Color

Red

Green

Streak

White, Colorless

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

3.13.69-3.81

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

Perfect {010} imperfect {100}

1,1 ; 3,2.

Mohs Hardness

6-78.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

BeAl ₂ O ₄

Optical Properties

Luster

Vitreous

Pleochroism

Present

Dispersion

0.020.02

0.005 1

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Transparency

Opaque, Translucent, Opaque . May be translucent in thin backlit sections.

Transparent, Transparent to nearly opaque

Refractive Index

1.6951.739-1.770

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Birefringence

0.006-0.0180.007-0.010

0 0.296

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Clarity

OpaqueHerve Nicolas Lazzarelli

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Aids in grounding and protection

Respiratory

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Emotional Healing

Transformation

Healing

Emotional healing

Qualities Associated

Love

Transformation

Thulite Vs Alexandrite Fracture

Fracture is an important parameter when you compare Thulite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Thulite 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. Fracture observed in Thulite is Uneven and Conchoidal.

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Thulite Vs Alexandrite Luster

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