Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)
cubicrareNative Elements
Diamond
C
This image shows a rare, stunning, and rather thick twinned diamond crystal, known as a macle, exhibiting excellent clarity. It typically appears as a brilliant, often colorless or subtly tinted crystal with sharp facets.
Diamond Physical Properties
Mohs Hardness
10Crystal System
cubicLuster
adamantineStreak Color
colorlessCleavage
perfect on {111}Fracture
conchoidalSpecific Gravity
3.52Colors
colorless, yellow, brown, green, blue, pink, red, blackTransparency
transparentType Locality
South AfricaMineral Group
Native ElementsUses
jewelry, industrial abrasives, cutting tools, drilling bitsAssociated Minerals
olivine, pyroxene, garnet, chromite, ilmeniteRarity
rareGeological Context
Diamonds form under extremely high pressure and temperature conditions deep within the Earth's mantle, typically at depths of 150-250 km. They are brought to the surface through volcanic eruptions in kimberlite and lamproite pipes.
