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Grandidierite
Grandidierite

Kyanite
Kyanite



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Grandidierite
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Kyanite

Grandidierite Vs Kyanite

Astrology

Origin

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

Color

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

Streak

White
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

2.85-3.003.53-3.65
1 7.18
👆🏻

Fracture

Uneven
Splintery

Cleavage

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

Mohs Hardness

7.54-7
2 10
👆🏻

Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Al2SiO5

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

visible
Trichroic

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.578-1.6391.71-1.74
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.037-0.039-9999
0 0.296
👆🏻

Clarity

-
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

-
Good

Reproductive

-
Supports reproductive health

Digestive

-
-

Psychology

Wisdom
Inner bridges

Healing

Physical healing
Physical healing

Qualities Associated

Harmony
Inner Peace

Grandidierite Vs Kyanite Fracture

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

Grandidierite Vs Kyanite Luster

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