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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.
Asystasia multiflora Klotzsch. Asystasia ansellioides C.B.Clarke var. lanceolata Fiori. Asystasia podostachys Klotzsch[ 1] Asystasia gangetica is a species of plant in the family Acanthaceae. It is commonly known as the Chinese violet, coromandel[ 2] or creeping foxglove. [ 3] In South Africa this plant may simply be called asystasia.
Cordierite ( mineralogy) or iolite ( gemology) is a magnesium iron aluminium cyclosilicate. Iron is almost always present, and a solid solution exists between Mg-rich cordierite and Fe-rich sekaninaite with a series formula: ( Mg, Fe)2 Al 3( Si 5Al O 18) to (Fe,Mg)2Al3(Si5AlO18). [ 3] A high-temperature polymorph exists, indialite, which is ...
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]
Properties. Hexagonite is pleochroic, potentially displaying varying shades of blue, violet, purple, or red. [1] It is also known as " mangan-tremolite ", since the manganese imparts the mineral's unique colors. [citation needed] Pink, lilac, and purple are the most common colors. [1] Hexagonite has been successfully faceted.
Viola odorata is a species of flowering plant in the family Violaceae, native to Europe and Asia. This small hardy herbaceous perennial is commonly known as wood violet, [ 1] sweet violet, [ 2] English violet, [ 2] common violet, [ 2] florist's violet, [ 2] or garden violet. [ 2] It has been introduced into the Americas and Australia.
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]
Jeremejevite is a mineral that shows pleochroic properties, which is an optical phenomenon in which the mineral's color appears to change depending on the angle at which it is viewed. Blue specimens from Namibia show a light cornflower blue to colorless to light yellow pleochroism, while yellow materials show light yellow to colorless pleochroism.