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Colemanite
Colemanite

Gahnospinel
Gahnospinel



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Colemanite
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Gahnospinel

Colemanite Vs Gahnospinel

Astrology

Origin

Southern and central Africa
Sri Lanka

Color

Colorless, gray, White
Blue

Streak

White
-

For which Rashi?

-
Sagittarius, Scorpio

Planet

-
Pluto

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Hephaestus

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.40-2.423.65-4.55
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

{010} Perfect, {001} Distinct
None, but may exhibit slight parting

Mohs Hardness

4.57.5-8
2 10
👆🏻

Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.584-1.6151.735-1.790
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Isometric

Birefringence

0.028-0.030-9999
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Imagination
Empowerment

Healing

Emotional healing
-

Qualities Associated

Harmony
Transformation

Colemanite Vs Gahnospinel Fracture

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

Colemanite Vs Gahnospinel Luster

A primary knowledge about Colemanite vs Gahnospinel 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. Colemanite exhibits Vitreous luster. Gahnospinel, on other hand, exhibits Vitreous luster.