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Ochre (/ ˈ oʊ k ər / OH-kər; from Ancient Greek ὤχρα (ṓkhra), from ὠχρός (ōkhrós) 'pale'), iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand. [2] It ranges in colour from yellow to deep orange or brown.
Steccherinum ochraceum, known as ochre spreading tooth, is a hydnoid fungus of the family Steccherinaceae. It was originally described as Hydnum ochraceum by Johann Friedrich Gmelin in 1792, and later transferred to the genus Steccherinum by Samuel Frederick Gray in 1821. [1] It is a plant pathogen [2] infecting sweetgum trees.
Beginning with the Shards of Alara set, a red-orange expansion symbol denotes a new rarity: "Mythic Rare" (the Time Spiral set featured an additional purple coloration for "timeshifted" cards [2]). For the early expansion sets (from Arabian Nights to Alliances ), the rarities of cards were often much more complicated than the breakdown into ...
In 2022 a team of South African and French scientists published a study of otjize's physical properties, concluding that "such a red ochre exhibits an exceptional UV filtration and a significant IR reflectivity substantiating its effectiveness as an effective UV-blocking and solar heat IR reflector in support of the low skin cancer rate within the Namibian Himba community".
The ochre from Adnoartina’s story is especially valued through the spiritual link to Aboriginal mythology. [4] This particular red ochre is called 'yamparnu' in the Aboriginal language. [ 4 ] As dreamtime stories were often an oral teaching , art has become particularly important in modern culture to pass on knowledge of the dreamtime. [ 17 ]
Pisaster ochraceus, generally known as the purple sea star, ochre sea star, or ochre starfish, is a common seastar found among the waters of the Pacific Ocean. Identified as a keystone species , P. ochraceus is considered an important indicator for the health of the intertidal zone .
The contents of the Iron ochre page were merged into Ochre on 7 March 2024. ... sherd/shard (which variation is not a Brit/US distinction), and a few others. even for ...
Ochre is a natural pigment and associated color. Ochre or Ocher may also refer to: Ochre (musician) (born 1979), an artist; Mariya Ocher (born 1986), Russian singer-songwriter; Ochre River, Manitoba, in Canada; Ochre, a type of genetics stop codon; Ocher, alternative spelling of Ochyor, a town in Perm Krai, Russia