Vivianite

Covellite

Vivianite Vs Covellite

Vivianite

Covellite

Add ⊕

Astrology

Origin

Southern and central Africa

Mexico

Color

Blue, Green, Colorless

Blue, Black

Streak

White

Grey, Black, gray

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

Flexible

Solubility

Durability

Specific Gravity

2.64-2.704.6-4.76

1 7.18

👆🏻

Fracture

Cleavage

{010} Perfect

Perfect on {0001}

Mohs Hardness

-9999-9999

2 10

👆🏻

Chemical Composition

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

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Resinous

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Marked

Dispersion

0.030.08

0.005 1

👆🏻

Transparency

Transparent

OpaqueAnthony et al

Refractive Index

1.560-1.6401.45-2.62

1 3.25

👆🏻

Optic Character

Crystal System

Hexagonal

Birefringence

0.054-0.075-9999

0 0.296

👆🏻

Clarity

Transparent

OpaqueAnthony et al

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Hope

Transformation

Healing

Emotional healing

Qualities Associated

Transformation

Manifestation

Vivianite Vs Covellite Fracture

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

Compare Blue Gemstones

Vivianite Vs Fancy Diamond

Vivianite Vs Garnet Malaia

Vivianite Vs Idocrase

Vivianite Vs Covellite Luster

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