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Shigaite
Shigaite

Vivianite
Vivianite



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Shigaite
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Vivianite

Shigaite Vs Vivianite

Astrology

Origin

-
Southern and central Africa

Color

Yellow, Brown, Black, orange
Blue, Green, Colorless

Streak

Yellow, White
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

Moderately flexible
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.322.64-2.70
1 7.18
👆🏻

Fracture

-
-

Cleavage

Perfect on {0001}
{010} Perfect

Mohs Hardness

2-9999
2 10
👆🏻

Chemical Composition

Pb6Cu3BiS4
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Distinct
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue

Dispersion

0.050.03
0.005 1
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Transparency

-
Transparent

Refractive Index

1.5461.560-1.640
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-99990.054-0.075
0 0.296
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Clarity

-
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Excellent
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Hope

Healing

-
Emotional healing

Qualities Associated

Vitality
Transformation

Shigaite Vs Vivianite Fracture

Fracture is an important parameter when you compare Shigaite and Vivianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Shigaite Vs Vivianite 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.

Shigaite Vs Vivianite Luster

A primary knowledge about Shigaite vs Vivianite 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. Shigaite exhibits Vitreous luster. Vivianite, on other hand, exhibits Vitreous and Pearly luster.