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)
trigonaluncommonSulfides
Cinnabar
HgS
This specimen shows a vibrant scarlet red mass of cinnabar crystals, exhibiting a bright, adamantine to sub-metallic luster.
Cinnabar Physical Properties
Mohs Hardness
2Crystal System
trigonalLuster
adamantineStreak Color
scarlet redCleavage
perfect prismatic {1010}Fracture
unevenSpecific Gravity
8.1Colors
scarlet red, vermilion, reddish-brownTransparency
transparentType Locality
Almadén Mine, Almadén, Ciudad Real, Castile-La Mancha, SpainMineral Group
SulfidesUses
mercury ore, pigment, collectorAssociated Minerals
pyrite, marcasite, stibnite, realgar, native mercury, quartz, dolomite, calciteRarity
uncommonGeological Context
Cinnabar typically forms in low-temperature hydrothermal veins associated with recent volcanic activity and hot springs, often deposited in sedimentary rocks.
