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Achroite
Achroite

Andalusite
Andalusite



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Achroite
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Andalusite

Achroite Vs Andalusite

Astrology

Origin

Afghanistan, Sri Lanka
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)

Color

Colorless, Blue
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red

Streak

-
White

For which Rashi?

-
-

Planet

-
Venus

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

2.90-3.403.05-3.21
1 7.18
👆🏻

Fracture

Uneven, ConchoidalWalter Schumann
Uneven, Subconchoidal, Splintery

Cleavage

Indiscernible
Good on {110}, poor on {100}

Mohs Hardness

7-7.57.5
2 10
👆🏻

Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
strongly trichroic

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.614-1.6661.627-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.014-0.0400.009-0.010
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Excellent
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Balance
Perception

Healing

Emotional healing
Physical healing

Qualities Associated

Spiritual Growth
Self-Realization

Achroite Vs Andalusite Fracture

Fracture is an important parameter when you compare Achroite and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Achroite Vs Andalusite 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 Achroite is Uneven and ConchoidalWalter Schumann. Andalusite fracture is Uneven, Subconchoidal and Splintery.

Achroite Vs Andalusite Luster

A primary knowledge about Achroite vs Andalusite 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. Andalusite, on other hand, exhibits Vitreous and Greasy luster.