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Viola sororia ( / vaɪˈoʊlə səˈrɔːriə / vy-OH-lə sə-ROR-ee-ə ), [ 5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood violet.
Obsidian projectile point. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre-Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy.
Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. [3] Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania , in a very small mining area approximately 7 km (4.3 mi) long and 2 km ...
The use of mirrors in Mesoamerican culture was associated with the idea that they served as portals to a realm that could be seen but not interacted with. [ 2] Mirrors in pre-Columbian Mesoamerica were fashioned from stone and served a number of uses, from the decorative to the divinatory. [ 3] An ancient tradition among many Mesoamerican ...
Obsidian is used by some surgeons for scalpel blades, although this is not approved by the US Food and Drug Administration (FDA) for use on humans. [59] Well-crafted obsidian blades, like any glass knife, can have a cutting edge many times sharper than high-quality steel surgical scalpels: the cutting edge of the blade is only about three ...
Viola bellidifolia. Viola cascadensis. Viola adunca is a species of violet known by the common names hookedspur violet, early blue violet, sand violet, and western dog violet. It is native to meadows and forests of western North America, Canada, and the northern contiguous United States. [ 1][ 2]
Viola allegheniensis L.K. Henry 1953, illegitimate homonym not Roem. & Schult. 1819. Viola walteri var. appalachiensis (L.K. Henry) L.E. McKinney. Viola appalachiensis, the Appalachian blue violet, also known as Appalachian violet and Henry's violet is a Viola native to the Appalachian Mountains in the Eastern United States. [2] [3]
Aztec obsidian mirror. Tezcatlipoca ( / ˌtɛskætliˈpoʊkə /; Classical Nahuatl: Tēzcatlipōca [/teːskat͡ɬiːˈpoːkaʔ/]) or Tezcatl Ipoca was a central deity in Aztec religion. He is associated with a variety of concepts, including the night sky, hurricanes, obsidian, and conflict. He was considered one of the four sons of Ometecuhtli ...