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Andalusite
Andalusite

Franklinite
Franklinite



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Andalusite
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Franklinite

Andalusite Vs Franklinite

Astrology

Origin

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

Color

Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Brown, Red, Black, Brownish

Streak

White
Reddish, Brown

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

3.05-3.215.05-5.22
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Splintery
Uneven

Cleavage

Good on {110}, poor on {100}
None

Mohs Hardness

7.55.5-6
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

strongly trichroic
-

Dispersion

0.020.19
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.627-1.650-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

0.009-0.010-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
-

Reproductive

-
-

Digestive

-
-

Psychology

Perception
Creativity

Healing

Physical healing
-

Qualities Associated

Self-Realization
Grounding

Andalusite Vs Franklinite Fracture

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

Andalusite Vs Franklinite Luster

A primary knowledge about Andalusite vs Franklinite 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 exhibits Vitreous and Greasy luster.