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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.
North of Mount Funabuse in Gifu Prefecture, Japan, a notable basaltic rock is quarried at a hill called Maru-Yama: crystals of xenotime and zircon arranged in a radiating, flower-like pattern are visible in polished slices of the rock, which is known as chrysanthemum stone (translated from the Japanese 菊石 kiku-ishi). This stone is widely ...
Although unusual, it is possible to have a common bile duct stone despite prior cholecystectomy. One study found that in patients diagnosed with choledocholithiasis, 28% had undergone prior cholecystectomy. Such stones are thought to be the result of stones missed at the time of the cholecystectomy, as opposed to the formation of new stones. [3]
Sialolithiasis may also develop because of the presence of existing chronic infection of the glands, dehydration (e.g. use of phenothiazines), Sjögren's syndrome and/or increased local levels of calcium, but in many instances the cause is idiopathic (unknown).
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]
A rhinolith (from rhino- 'nose' and -lith 'stone') is a stone present in the nasal cavity. It is an uncommon medical phenomenon, not to be confused with dried nasal mucus. A rhinolith usually forms around the nucleus of a small exogenous foreign body, blood clot or secretion by slow deposition of calcium and magnesium carbonate and phosphate ...
Throughout her acting career, Sharon Stone has known what her true priority is. Although her roles in Casino, Basic Instinct and Total Recall earned her fame and status as an actress, being a mom ...
In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone, valued for its appearance, but other colours of decorative porphyry are also used such as "green", "black" and "grey". [1] [2] The term porphyry is from the Ancient Greek πορφύρα (porphyra), meaning "purple".