Search Results for: Lichens for ornamental use
translucent cleavage perfect, rhombohedral, in three directions mohs hardness to specific gravity to diagnostic properties pink color, cleavage, hardness, effervescence in cold dilute hydrochloric acid chemical composition (mn,fe,mg,ca)co crystal system hexagonal uses ore of manganese, gemstone, ornamental
stone physical and chemical properties rhodochrosite has a variable chemical composition. it is a manganese carbonate, but the manganese is frequently replaced by iron, magnesium and/or calcium as shown in this formula: (mn,fe,mg,ca)co . these substitutions of other elements for manganese change the...
https://geology.com/minerals/rhodochrosite.shtml
arctic hare is a herbivore , specifically a folivore . [ ] arctic hares feed primarily on woody plants , and willow constitutes percent of their diet year-round. [ ] arctic hares predominantly consume saxifrage , crowberry , and dwarf willow , but can also eat a variety of other foods, including lichens
arctic wolf is probably the most successful predator of the arctic hare, and even young wolves in their first autumn can catch adult hares. [ ] arctic foxes and ermines, which are smaller, typically prey on young hares. [ ] gyrfalcon carry hares to their nests, cutting them in half first; gyrfalcons use...
https://en.wikipedia.org/wiki/Arctic_hare