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)
cubicuncommonNative Elements
Diamond
C
This image shows a rough, brown diamond crystal, likely exhibiting an octahedral or dodecahedral habit, characteristic of natural diamond formation.
Diamond Physical Properties
Mohs Hardness
10Crystal System
cubicLuster
adamantineStreak Color
colorlessCleavage
perfect on {111}Fracture
conchoidalSpecific Gravity
3.52Colors
colorless, yellow, brown, blue, pink, green, red, blackTransparency
transparentType Locality
Crater of Diamonds State Park (Arkansas Diamond Corp. Mine; Mauney Mine; Ozark Mine; Prairie Creek Lamproite), Murfreesboro, Pike County, Arkansas, USAMineral Group
Native ElementsUses
jewelry, industrial abrasives, cutting tools, scientific researchAssociated Minerals
olivine, pyroxene, garnet, phlogopite, ilmeniteRarity
uncommonGeological Context
Diamonds form under extreme pressure and temperature deep within the Earth's mantle and are brought to the surface through volcanic eruptions, typically in kimberlite or lamproite pipes, like the Prairie Creek Lamproite mentioned in the locality.
