Turquoise

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Turquoise – Overview

Intro

Turquoise is an opaque blue-to-green gem material prized for colour, matrix patterns, and historic jewellery use.

Overview

This starter entry positions turquoise as a design and heritage material where treatment, stability, and honest naming are essential parts of education.

About

This starter entry positions turquoise as a design and heritage material where treatment, stability, and honest naming are essential parts of education. Turquoise is presented here as a structured gemstone record ready for linked buyer guides, research posts, and media galleries.

Key Properties

Mineral / materialTurquoise
ChemistryCuAl6(PO4)4(OH)8·4H2O
Crystal systemTriclinic
ColourBlue to green
Refractive index1.61 – 1.65
Specific gravity2.6 – 2.9
Mohs hardness5 – 6
LusterWaxy to subvitreous
TransparencyOpaque
ToughnessFair