Bertrandite

Iolite

Bertrandite Vs Iolite

Bertrandite

Iolite

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Astrology

Origin

Southern and central Africa

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

Color

Colorless, Yellow

Blue, Violet, Yellow, Grey

Streak

White

For which Rashi?

Libra, Sagittarius, Taurus

Planet

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.59-2.602.6-2.7

1 7.18

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Fracture

Cleavage

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

3,1

Mohs Hardness

6-77-7.5

2 10

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Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Optical Properties

Luster

Vitreous

Pleochroism

none.

Dispersion

0.010.02

0.005 1

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Transparency

TransparentAnthony et al

Transparent, Translucent, Transparent to translucent

Refractive Index

1.583-1.6141.52-1.56

1 3.25

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Optic Character

Crystal System

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

Orthorhombic

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentAnthony et al

Transparent to translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Promotes mental clarity

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Supports digestive health

Psychology

Harmony

Intuition

Healing

Emotional healing

Qualities Associated

Creativity

Intuition

Bertrandite Vs Iolite Fracture

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

A primary knowledge about Bertrandite vs Iolite 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. Iolite, on other hand, exhibits Vitreous luster.