麦饭石是一种天然药石,因其状如一团麦饭而得名。唐、宋、明代的医药学家在他们的医著中对麦饭石均有详细记载。后来经岩石分类学家们研究确定,麦饭石属于泛花岗岩类(Granite)岩石,即黑云母石英二长斑岩(Black mica quartz monzonite porp、hyry)。麦饭石在世界各地分布较广,主要产地有中国(包括台湾)、日本、南朝鲜等地。经矿物元素分析,测得麦饭石含有约59种元素,包括18种人体营养所必需的矿物质和微量元素,质量以内蒙古平顶山的中华麦饭石 Medical stone is a natural medicine stone, because of its shape as a group named after the rice. Tang, Song, Ming Dynasty, medical scientists in their medical records are detailed in stone. Later, the rock taxonomists determined that Maifanite belonged to the granite rock, the black mica quartz monzonite porp (hyry). Medical stone is widely distributed all over the world. Its main producing areas are China (including Taiwan), Japan and South Korea. Mineral elemental analysis found that the medical stone contains about 59 elements, including 18 kinds of essential nutrients for human nutrition and trace elements, the quality of Pingdingshan, Inner Mongolia, China Medical Stone