Hercynite

Astrophyllite

Hercynite Vs Astrophyllite

Hercynite

Astrophyllite

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1 Astrology

1.1 Origin

Not Available

Canada, Russia

1.2 Color

Yellow, Black

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

1.3 Streak

Green

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

4.393.2-3.4

1 7.18

2.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven, Brittle, Metallic

2.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Perfect on [001] imperfect on [100]

2.7 Mohs Hardness

7.5-83

2 10

2.8 Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

(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

Greasy, Pearly

3.2 Pleochroism

Not Available

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

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

3.5 Refractive Index

1.80-1.831.678-1.758

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

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

Triclinic

3.8 Birefringence

Not Available0.050

0 0.296

3.9 Clarity

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

Hercynite Vs Astrophyllite Fracture

Fracture is an important parameter when you compare Hercynite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Hercynite 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 Hercynite is ConchoidalGemdat.org and Uneven. Astrophyllite fracture is Brittle, Metallic and Uneven.

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Hercynite Vs Astrophyllite Luster

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