Goldenite Hornblende | Gemopedia

This unique gem begins as natural hornblende, but is then treated to plate different areas of the gem with gold. This results in a distinctively patterned, one-of-a-kind gem. The rich black color of hornblende is the perfect backdrop for glittering gold.
Colors
Black With Gold Applique

Goldenite Hornblende Classification

Common Name

Goldenite Hornblende

Species

Hornblende

Variety

Goldenite Hornblende

Colors

Black With Gold Applique

Alternate Names

Gemstone Groups

Pyroxene

Key Separations

Comments

Goldenite Hornblende Optical Properties

Transparency

Translucent - Opaque

Refractive Index

1.675-1.695

Birefringence

0.02

Optic Character

NA

Optic Sign

Polariscope Reaction

Fluorescence

SWUV:
LWUV:

CCF Reaction

Pleochroism

None

Dispersion

Comments

Goldenite Hornblende Chemistry & Crystallography

Chemical Name

Chemical Formula

(Ca,Na)23(Mg,Fe,Al)5(Al,Si)8O22(OH,F)2

Synthesis

Crystal System

Monoclinic

Classification

Rock

Nature

Natural

Crystallinity

Non-Crystalline

Comments

Goldenite Hornblende Characteristic Physical Properties

Hardness

6

Streak

Gray-Green

Specific Gravity

2.9-3.4

Toughness

Inclusions

Goldenite hornblende has has gold foil is applied to the surface of the stone.

Luster

Vitreous

Stability

Fracture

Cleavage

None

Comments

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