Hauyne | Gemopedia

An is an extremely rare mineral and even rarer gemstone. Its bright blue color is common for this stone, but is can be found in white, gray, yellow, green and pink colors too. Hayne is a mineral component found in Lapis Lazuli. Specimnes have been found near volcanic areas, the finest pieces have been found in Germany.`
Alternate
Names
Hauynite
Colors
bright blue, white, gray, yellow, green and pink

Hauyne Classification

Common Name

Hauyne

Species

Hauyne

Variety

Colors

bright blue, white, gray, yellow, green and pink

Alternate Names

Hauynite

Gemstone Groups

Sodalite

Key Separations

RI and appearance.

Comments

Hayne is usually an intense blue color and always comes in small sizes. Hayne gives lapis lapis lazuli its blue color.

Hauyne Optical Properties

Transparency

Transparent - Translucent

Refractive Index

Birefringence

Optic Character

NA

Optic Sign

NA

Polariscope Reaction

Singly Refractive (SR)

Fluorescence

SWUV:
LWUV:

CCF Reaction

SWUV: Inert to weaker orangy red
LWUV: Inert to weak orangy red

Pleochroism

None

Dispersion

Comments

1.496-1.51

Hauyne Chemistry & Crystallography

Chemical Name

sodium calcium aluminum silicate sulfur sulfate chloride

Chemical Formula

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Synthesis

Crystal System

Cubic

Classification

Silicate

Nature

Natural

Crystallinity

Crystalline

Comments

Silicate

Hauyne Characteristic Physical Properties

Hardness

Streak

Conchoidal

Specific Gravity

Toughness

Good

Inclusions

Luster

Stability

Fair

Fracture

2.4-2.5

Cleavage

None

Comments

5.5 to 6

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