Fayalite

Astrophyllite

Fayalite Vs Astrophyllite

Fayalite

Astrophyllite

Add ⊕

1 Astrology

1.1 Origin

Southern and central Africa

Canada, Russia

1.2 Color

Yellow, Brown, Black, Black

Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow

1.3 Streak

White

Brown, White, Brown, White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

4.3923.2-3.4

1 7.18

2.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven, Brittle, Metallic

2.6 Cleavage

{010} moderate, {100} imperfect

Perfect on [001] imperfect on [100]

2.7 Mohs Hardness

6.5-73

2 10

2.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous, Resinous

Greasy, Pearly

3.2 Pleochroism

Faint

Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Translucent

3.5 Refractive Index

1.827-1.8791.678-1.758

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Triclinic

3.8 Birefringence

0.042-0.0510.050

0 0.296

3.9 Clarity

TransparentAnthony et al

Translucent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Fayalite Vs Astrophyllite Fracture

Fracture is an important parameter when you compare Fayalite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fayalite Vs Astrophyllite 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 Fayalite is Brittle, Conchoidal, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Astrophyllite fracture is Brittle, Metallic and Uneven.

Compare Yellow Gemstones

Fayalite Vs Hackmanite

Fayalite Vs Gadolinium Gallium Garnet

Fayalite Vs Garnet

Fayalite Vs Astrophyllite Luster

A primary knowledge about Fayalite vs Astrophyllite 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. Fayalite exhibits Resinous and Vitreous luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.