Kyanite

Bertrandite

Kyanite Vs Bertrandite

Kyanite

Bertrandite

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Astrology

Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

Southern and central Africa

Color

Blue, Yellow, Colorless, White, gray, Green, Black

Colorless, Yellow

Streak

White

For which Rashi?

Aries, Libra, Taurus

Planet

Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.53-3.652.59-2.60

1 7.18

👆🏻

Fracture

Splintery

Cleavage

[100] perfect [010] imperfect with 79° angle between

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

Mohs Hardness

4-76-7

2 10

👆🏻

Chemical Composition

Al2SiO5

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

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Trichroic

none.

Dispersion

0.020.01

0.005 1

👆🏻

Transparency

TransparentAnthony et al

Refractive Index

1.71-1.741.583-1.614

1 3.25

👆🏻

Optic Character

Crystal System

Triclinic

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

Birefringence

-9999-9999

0 0.296

👆🏻

Clarity

TransparentAnthony et al

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Promotes mental clarity

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Psychology

Inner bridges

Harmony

Healing

Physical healing

Emotional healing

Qualities Associated

Inner Peace

Creativity

Kyanite Vs Bertrandite Fracture

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

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Kyanite Vs Bertrandite Luster

A primary knowledge about Kyanite vs Bertrandite 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. Kyanite exhibits Vitreous and Pearly luster. Bertrandite, on other hand, exhibits Vitreous luster.