Astrophyllite

Anhydrite

Astrophyllite Vs Anhydrite

Astrophyllite

Anhydrite

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1 Astrology

1.1 Origin

Canada, Russia

Mexico

1.2 Color

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

Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray

1.3 Streak

Brown, White, Brown, White

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.2-3.42.90-2.98

1 7.18

2.5 Fracture

Uneven, Brittle, Metallic

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

2.6 Cleavage

Perfect on [001] imperfect on [100]

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

2.7 Mohs Hardness

33.5

2 10

2.8 Chemical Composition

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

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

3 Optical Properties

3.1 Luster

Greasy, Pearly

Pearly, Greasy

3.2 Pleochroism

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

For violet varieties

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

Translucent

Transparent

3.5 Refractive Index

1.678-1.7581.570-1.614

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

Orthorhombic

3.8 Birefringence

0.0500.042-0.044

0 0.296

3.9 Clarity

Translucent

Transparent

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 Anhydrite Fracture

Fracture is an important parameter when you compare Astrophyllite and Anhydrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Anhydrite 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. Anhydrite fracture is Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Gemstones (2009) and UnevenArthur Thomas.

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Astrophyllite Vs Anhydrite Luster

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