Powellite

Siderite

Powellite Vs Siderite

Powellite

Siderite

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1 Astrology

1.1 Origin

India

Brazil

1.2 Color

Yellow, Greenish, Blue, Brown, Green, gray

Yellow, Brown, gray, Greenish

1.3 Streak

Yellow

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

4.233.83-3.89

1 7.18

2.5 Fracture

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

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

2.6 Cleavage

{111} Distinct

Perfect on {01 1 1}

2.7 Mohs Hardness

3.5-43.5-4.5

2 10

2.8 Chemical Composition

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Greasy, Subadamantine

Pearly

3.2 Pleochroism

In deeply colored specimens: blue greenAnthony et al

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

Transparent, Translucent

3.5 Refractive Index

1.974-1.9841.633-1.875

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Trigonal

3.8 Birefringence

Not Available0.242

0 0.296

3.9 Clarity

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

Powellite Vs Siderite Fracture

Fracture is an important parameter when you compare Powellite and Siderite Physical Properties. It is necessary to understand the significance of these properties, before you compare Powellite Vs Siderite 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 Powellite is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al. Siderite fracture is Brittle, Conchoidal, Uneven and UnevenArthur Thomas.

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Powellite Vs Siderite Luster

A primary knowledge about Powellite vs Siderite 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. Powellite exhibits Greasy and Subadamantine luster. Siderite, on other hand, exhibits Pearly luster.