RockVault
Kunzite

Image: James St. John (CC BY 2.0)

monoclinicuncommonSilicates (Pyroxene group)

Kunzite

LiAlSi2O6

Kunzite is the pink-to-lilac variety of the mineral spodumene, often found as well-formed, prismatic crystals. The image shows a faceted, transparent, pale pink kunzite gemstone, approximately 1.2 centimeters across.

Kunzite Physical Properties

Mohs Hardness

6.5

Crystal System

monoclinic

Luster

vitreous

Streak Color

white

Cleavage

perfect on {110}, good on {100}

Fracture

uneven

Specific Gravity

3.18

Colors

pink, lilac, purple, colorless

Transparency

transparent

Type Locality

Pala, San Diego County, California, USA; Minas Gerais, Brazil; Afghanistan; Pakistan; Madagascar

Mineral Group

Silicates (Pyroxene group)

Uses

jewelry, collector

Associated Minerals

quartz, albite, lepidolite, tourmaline, beryl

Rarity

uncommon

Geological Context

Kunzite forms in lithium-rich granitic pegmatites, which are coarse-grained igneous rocks. It crystallizes from the late-stage, volatile-rich fluids of cooling magma, often alongside other rare pegmatite minerals.