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Chrysanthemum stone and peony stone are called strange stones. Peony is also a natural mineral like chrysanthemum stone and can not be regenerated, so it also has a high collection value. In the world, peony stone is also recognized as rare, with collection significance and ornamental value.
"Imperial Porphyry" from the Red Sea Mountains of Egypt A waterworn cobble of porphyry Rhyolite porphyry from Colorado; scale bar in lower left is 1 cm (0.39 in). Porphyry (/ ˈ p ɔːr f ə r i / POR-fə-ree) is any of various granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass.
Prostatic calculi (PC), prostatic stones, prostatic calcification or prostatic lithiasis, are hyper-echoic mineral deposits in the prostate that are frequently detected incidentally during transabdominal ultrasonography, transrectal ultrasonography, or computed tomography.
Puccinia horiana is a microcyclic, autoecious rust, meaning that the fungus has two known spore stages: teliospores and basidiospores, as well as no known alternate host. [6] Similar to other microcyclic rusts, two-celled teliospores produce unicellular basidiospores which are then dispersed via air currents.
Melasma affects up to 33 percent of men and women. Read on to learn what causes the chronic skin condition and what you can do to keep it at bay.
The increased saturation of urine with calcium elevates the rate of stone formation within the kidneys, due to the excess calcium precipitating and forming crystals, which develop into larger stones over time. [23] The stones form in the kidneys and leave the body through the urethra, which can cause tremendous amounts of pain. [23]
According to the American Heart Association, common symptoms of a cardiac event, like a heart attack, include chest pain or pressure, lightheadedness, heart palpitations and irregular heart rhythms.
Manhattan-based dermatologist Dr. Brendan Camp, M.D., said that toasted skin syndrome, officially known as erythema ab igne (EAI), is a "pattern of discoloration that occurs in areas of skin after ...