Astrophyllite

Prehnite

Astrophyllite Vs Prehnite

Astrophyllite

Prehnite

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1 Astrology

1.1 Origin

Canada, Russia

Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France

1.2 Color

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

Green, Colorless, gray, Yellow, White

1.3 Streak

Brown, White, Brown, White

Colorless

1.4 For which Rashi?

Not Available

Libra

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Freya

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.2-3.42.80-2.95

1 7.18

2.5 Fracture

Uneven, Brittle, Metallic

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

2.6 Cleavage

Perfect on [001] imperfect on [100]

Distinct on [001]

2.7 Mohs Hardness

36-6.5

2 10

2.8 Chemical Composition

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

Ca₂Al₂Si₃O₁₂(OH)

3 Optical Properties

3.1 Luster

Greasy, Pearly

Vitreous

3.2 Pleochroism

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

AbsentWalter Schumann

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Translucent

3.5 Refractive Index

1.678-1.7581.611-1.673

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

Orthorhombic

3.8 Birefringence

0.0500.021-0.033

0 0.296

3.9 Clarity

Translucent

TranslucentHerve Nicolas Lazzarelli

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

Astrophyllite Vs Prehnite Fracture

Fracture is an important parameter when you compare Astrophyllite and Prehnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Prehnite 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 Astrophyllite is Brittle, Metallic and Uneven. Prehnite fracture is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow.

Compare Green Gemstones

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Astrophyllite Vs Prehnite Luster

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