Nephrite

Astrophyllite

Nephrite Vs Astrophyllite

Nephrite

Astrophyllite

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Astrology

Origin

China, Canada

Canada, Russia

Color

Green, Yellow, Brown, White, gray, Black

Brown, Yellow, Greenish, Brownish, Red

Streak

Brown, White

For which Rashi?

Planet

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

2.90-3.103.2-3.4

1 7.18

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Fracture

Splintery, Granular

Uneven

Cleavage

None

Perfect on [001] imperfect on [100]

Mohs Hardness

6-6.53

2 10

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Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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

Optical Properties

Luster

Vitreous, Greasy

Greasy, Pearly

Pleochroism

None

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

Dispersion

0.010.12

0.005 1

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Transparency

Translucent

Refractive Index

1.600-1.6271.678-1.758

1 3.25

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Optic Character

Crystal System

monoclinic

Triclinic

Birefringence

0.0270.050

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Emotional Balance

Self-Reflection

Healing

Physical healing

Spiritual healing

Qualities Associated

Healing

Self-Reflection

Nephrite Vs Astrophyllite Fracture

Fracture is an important parameter when you compare Nephrite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nephrite 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 Nephrite is Splintery and Granular. Astrophyllite fracture is Uneven.

Compare Green Gemstones

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Nephrite Vs Astrophyllite Luster

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