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Grandidierite
Grandidierite

Forsterite
Forsterite



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X
Grandidierite
X
Forsterite

Grandidierite Vs Forsterite

Astrology

Origin

Madagascar
Southern and central Africa

Color

Green
Colorless, Green, Yellow, White

Streak

White
White

For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.85-3.003.23-3.26
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Perfect
Perfect on {010} imperfect on {100}

Mohs Hardness

7.56.5-7
2 10
👆🏻

Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

visible
colorless.

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.578-1.6391.635-1.671
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.037-0.0390.033-0.042
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
Supports healthy digestion

Digestive

-
-

Psychology

Wisdom
Peace

Healing

Physical healing
Physical healing

Qualities Associated

Harmony
Peace

Grandidierite Vs Forsterite Fracture

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

Grandidierite Vs Forsterite Luster

A primary knowledge about Grandidierite vs Forsterite 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. Forsterite, on other hand, exhibits Vitreous luster.