RockVault
Rose Quartz

Image: James St. John (CC BY 2.0)

trigonalcommonSilicates

Rose Quartz

SiO2

This specimen is a translucent, pale to medium pink mass of rose quartz, exhibiting a distinct asterism (star effect) when illuminated. Its surface is smooth and somewhat rounded, characteristic of a tumbled or polished piece.

Rose Quartz Physical Properties

Mohs Hardness

7

Crystal System

trigonal

Luster

vitreous

Streak Color

white

Cleavage

none

Fracture

conchoidal

Specific Gravity

2.65

Colors

pink, rose-red

Transparency

translucent

Type Locality

Mozambique

Mineral Group

Silicates

Uses

jewelry, ornamental, collector

Associated Minerals

feldspar, mica, tourmaline

Rarity

common

Geological Context

Rose quartz typically forms in pegmatites and hydrothermal veins, often as massive aggregates. Its pink color is attributed to microscopic inclusions of dumortierite or other fibrous minerals, or potentially irradiation-induced color centers.