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Forsterite
Forsterite

Spodumene
Spodumene



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Forsterite
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Spodumene

Forsterite Vs Spodumene

Astrology

Origin

Southern and central Africa
Afghanistan, Australia, Brazil, Madagascar, Pakistan, Canada

Color

Colorless, Green, Yellow, White
Green, 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

-
Brittle

Solubility

-
insoluble

Durability

-
-

Specific Gravity

3.23-3.263.15-3.21
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Subconchoidal

Cleavage

Perfect on {010} imperfect on {100}
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

Mohs Hardness

6.5-76-7
2 10
👆🏻

Chemical Composition

Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
LiAlSi2O6

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

colorless.
Strong in kunzite: α-purple

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.635-1.6711.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.033-0.0420.014-0.018
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

Supports healthy digestion
-

Digestive

-
-

Psychology

Peace
Emotional Healing

Healing

Physical healing
Emotional healing

Qualities Associated

Peace
Peace

Forsterite Vs Spodumene Fracture

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

Forsterite Vs Spodumene Luster

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