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礦物
 

礦物

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認識莫氏硬度表及生活中常見礦物

認識莫氏硬度表及生活中常見礦物

(礦物在生活中的應用)

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    礦物 礦物 Presentation Transcript

    • 莫氏硬度表及常見礦物
      鎂礦
    • 硬度測試
      硬度,易磨損程度的測量。一個世紀前Friedrich Mohs設計出一個1到10等級的莫氏硬度表。比如說硬度7的石英就很容在硬度3的方解石表面刮出刻痕。
    • 莫氏硬度表(1):滑石
      滑石,有時也被稱為雞血石,是莫氏硬度規模最柔軟的礦物。
    • 莫氏硬度表(1):滑石
      1910年滑石爽身粉的廣告
    • 莫氏硬度表(2):石膏
      電子顯微鏡下的無毒塗料石膏;它包含了粘土、滑石粉、白堊等成份。
    • 莫氏硬度表(2):石膏
      1792年Etching的畫作:販賣石膏的商人
    • 莫氏硬度表(3):方解石
      近拍方解石
    • 莫氏硬度表(3):方解石
      四川省黃龍寺黃龍國家公園,因為方解石沈積於底部而形成的七彩池。
    • 莫氏硬度表(4):螢石
      螢石標本
    • 莫氏硬度表(5):磷灰石
      磷灰石是磷酸鹽所組成的礦物
    • 莫氏硬度表(6):長石
      長石標本
    • 莫氏硬度表(7):石英
      石英礫石特寫
    • 莫氏硬度表(7):石英
      由二氧化矽組成的石英結晶
    • 莫氏硬度表(7):石英
      兩個完美晶形的石英結晶
    • 莫氏硬度表(7):石英
      在電荷下以穩定速率振動的合成石英,用於手錶以維持時間準確。
    • 莫氏硬度表(7):石英
      石英錶的典型組件
    • 莫氏硬度表(7):石英
      TIMEX石英手錶,20世紀70年代。
    • 莫氏硬度表(7):石英
      鹵素燈,鎢絲封閉在石英燈泡內,使得燈絲可在更高的溫度下工作,燈泡會有更高的亮度及更長的壽命。
    • 莫氏硬度表(8):黃玉
      黃玉的晶體
    • 莫氏硬度表(9):剛玉
      多種顏色的剛玉,是目前所知硬度第二高的礦物。
    • 莫氏硬度表(10):金剛石
      鑽石是在地球內部高溫高壓的狀態下形成的碳化合物。
    • 莫氏硬度表(10):金剛石
      顯微鏡下的裸鑽,是自然界中硬度最高的礦物。
    • 莫氏硬度表(10):金剛石
      切割和打磨過後的鑽石,質量較差的則應用於工業的切割和研磨工具。
    • 石墨
      石墨礦石
    • 石墨
      利用石墨製成鉛筆。
    • 石墨
      含碳量99%以上的碳纖維就是石墨纖維。
    • 黃鐵礦
      黃鐵礦又叫愚人金
    • 黃鐵礦
      19世紀中葉的版畫,圖中黃金礦工以燒紅的鏟子測試黃鐵礦。
    • 雲母
      雲母標本
    • 石棉
      蛇紋石石棉
    • 石棉
      經常運用於建築材料的石棉
    • 石棉
      顯微鏡下的石棉纖維,石棉常應用於防火和絕緣的用途。
    • 石棉
      1942年利用石棉製成的防火衣進行防火測試。
    • 硫磺
      硫磺標本
    • 硫磺
      在氧氣中燃燒的硫磺。
    • 圖片來源(大英百科quest.ebBritannica Image Quest大英百科珍藏教育應用圖庫):
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