Minerals I to P

I

A sculpture of a woman's head carved from a large piece of obsidian.

Iolite – Gem-quality mineral with a deep, sapphire colour.

Illite – Also known as Mica.

Iignite – Also known as Jet.

J

Jasper – A silica mineral that comes in a great variety of patterns.

Jet – Lightweight type of mineral formed under decaying wood.

K

Kyanite – Flat, long prismatic blue crystals. Also known as Disthene.

Kunzite – Gem-quality silicate mineral with characteristic etched marks.

L

Labradorite – named after its occurrence in Labrador, Canada.

Lepidolite – A form of mica and second-best source of lithium.

M

Malachite – A carbonate mineral rich-green in colour.
Mica – Sheet silicate mineral forming scale-shaped crystals.

Milky Quartz – Most common form of quartz.

Moldavite – Natural glass rocks believed to have impacted earth as meteorites 15 million years ago.

Pyrite, commonly known as Fool's Gold.

Moonstone – A potassium aluminium silicate mineral with a white-blue sheen.

Morganite – Gem-quality beryl mineral, soft pink in colour.

O

Obsidian – Volcanic glass that does not crystallize.

P

Pearl – A product of fresh or seawater clams or oysters.

Pyrite – Also known as Fool’s Gold.

Petrified Wood – Wood and minerals fused together by lightning.