名稱 輝鉬礦Name Molybdenite化學公式 MoS2Chemical Formula MoS2莫氏硬度 5.5Mohs scale of Hardness 5.5描述 鉬是必不可少的微量元素。它存在於諸如牛奶，奶酪，穀物，豆類，堅果，葉類蔬菜和器官肉等食物中。 鉬最常用於鉬缺乏症。它也可用於食道癌，其他類型的癌症，威爾遜氏病和其他疾病，但尚無良好的科學證據支持這些用途。Description Molybdenum is an essential trace mineral. It is found in foods such as milk, cheese, cereal grains, legumes, nuts, leafy vegetables, and organ meats.Molybdenum is most commonly used for molybdenum deficiency. It is also used for cancer of the esophagus, other types of cancer, Wilson disease, and other conditions, but there is no good scientific evidence to support these uses.小挑戰數組的前導是一個出現在數組元素一半以上的值，而數組的段是數組的連續元素序列。 您可以通過恰好選擇一個長度為K的線段並將該線段中的每個元素加1來修改A。Challenge The leader of the array is a value that occurs in more than…

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名稱   冰洲石Name   Iceland Spar化學公式   CaCO3Chemical Formula   CaCO3莫氏硬度   3Mohs scale of Hardness   3描述   冰島晶石是一種透明，無色的方解石結晶品種。它出現在容易分裂的大晶體中，容易被菱形分割，並且以其雙折射而著稱。Description   Iceland spar is a clear, transparent, colorless crystallized variety of calcite. It occurs in large readily cleavable crystals, is easily divisible into rhombuses, and is remarkable for its birefringence.小挑戰 冰晶石有什麼用？ 它具有許多用途，從精密光學儀器到LCD屏幕，甚至在第二次世界大戰期間用於製造瞄準鏡  Challenge What is the use of ice spar? It has many uses, in everything from precision optical instruments to LCD screens, and was even used during WWII to make bombsights Reference https://stonebridgeimports.com/a/386-what-on-earth-is-iceland-spar http://www.visiteskifjordur.is/icelandic-spar/iceland-spar-vikings-use-navigation/ https://en.wikipedia.org/wiki/Iceland_spar by Lau…

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名稱   異極礦Name   Hemimorphite化學公式   Zn4Si2O7(OH)2•H2OChemical Formula   Zn4Si2O7(OH)2•H2O莫氏硬度 5Mohs scale of Hardness 5描述   異極礦的顏色為棕色，無色，綠灰色，黃棕色，白色。被短波紫外線照射時，綠色熒光很強，被長波紫外線照射時綠色熒光很弱。赤鐵礦的條紋是白色的。它的光澤是玻璃的。其骨折為貝殼狀。半變質硬。它不是放射性的Description   The colour of hemimorphite occurs as brown, colorless, greenish gray, yellow brown, white; strong green fluorescence in shortwave ultraviolet light weak light pink fluorescence in longwave UV. The streak of hemimorphite is white. Its luster is vitreous. Its fracture is conchoidal. Hemimorphite is hard. It is not radioactive.小挑戰   異極礦能做什麽？ 減輕激素性頭痛和潰瘍相關疾病。也可以幫助減肥，因為它可以為您提供更強大的能量供應。Challenge   What can hemimorphite do?  The stone alleviate hormonal headaches and ulcer-related conditions. May also assist…

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名稱: 赤鐵礦Name: Hematite  化學公式: Fe2O3, α-Fe2O3Chemical formula: Fe2O3, α-Fe2O3莫氏硬度:5Mohs scale of Hardness:5描述: 金屬灰色，在土狀，緻密，細顆粒的物料中暗淡至明亮的“銹紅色”，在晶體和塊狀礦石中則從鐵灰色變為黑色Description: Metallic gray, dull to bright “rust-red” in earthy, compact, fine-grained material, steel-grey to black in crystals and massively crystalline ores小挑戰:赤鐵礦有什麼用?赤鐵礦曾經被用作哀悼珠寶  What is the use of hematite? Hematite was once used as mourning jewelry. References https://en.wikipedia.org/wiki/Hematite http://volcano.oregonstate.edu/mineral-show-2

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名稱: 石膏(沙漠玫瑰)Name Gypsum (Desert Rose)化學公式 CaSO4•2H2OChemical Formula CaSO4•2H2O莫氏硬度 2.0Mohs scale of Hardness 2.0描述 沙漠玫瑰是複雜的玫瑰狀石膏或重晶石晶體簇，其中包含豐富的沙粒。當晶體在乾旱的沙質條件下形成時，往往會形成玫瑰花結晶體的習性。它們可以顯示為單一的玫瑰狀花朵或花朵簇，通常直徑從豌豆大小到4英寸（10厘米）不等。Description A desert rose is an intricate rose-like formation of crystal clusters of gypsum or baryte which include abundant sand grains. The rosette crystal habit tends to occur when the crystals form in arid sandy conditions. They can appear either as a single rose-like bloom or as clusters of blooms, typically ranging from pea-sized to 10 cm  in diameter.  小挑戰 這種礦物質有什麼用途？傳統上，它們被用作護身符，用於保護，克服恐懼症並有助於增強自信心。Challenge What are the uses of this mineral? They have traditionally been used as talismans for protection, overcoming phobias and to help boost self confidence.…

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名稱: 石膏Name: Gypsum化學公式: CaSO4•2H2OChemical Formula: CaSO4•2H2O莫氏硬度: 2Mohs scale of Hardness: 2描述: 石膏是一種軟硫酸鹽礦物，由二水合硫酸鈣組成，化學公式為CaSO。  4.·2H2O。它被廣泛開採，用作肥料，並作為多種形式的灰泥，黑板/人行道粉筆和乾式牆的主要成分。Description: Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO. 4. · 2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall.小挑戰:  問：使用石膏有哪些危害？ 答：如果處理不當，石膏會刺激皮膚，眼睛，粘膜和上呼吸道。Challenge: Q: What are the hazards of using Gypsum?   A: If handled improperly, gypsum can cause irritation to the skin, eyes, mucous membranes and the upper respiratory system.   …

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名稱鈣鋁石榴石  Name   Garnet 化學公式Ca3Al2Si3O12  Chemical Formula   Ca3Al2Si3O12莫氏硬度7.25  Mohs scale of Hardness7.25  描述 鈣鋁榴石是鈣榴石類最常見的一種石榴石，顏色多種多樣，主要有綠色、黃綠色、黃色、褐紅色及乳白色等。  鈣鋁榴石的顏色是從無色至黑色的，根據其元素含量不同而顏色不同。其英文名稱源自首先被發現、呈獨特醋栗色的鈣鋁榴石。呈棕色是由錳和鐵內含物引起的。 Description Wallaceous garnet is the most common type of garnet in the class of garnets. It has a variety of colors, mainly green, yellow-green, yellow, brown-red, and milky white. The color of garnet is from colorless to black, and the color varies according to its element content. Its English name is derived from the first discovered and unique gooseberry color garnet. The brown color is caused by manganese and iron inclusions.小挑戰…

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名稱 綠簾石  Name Epidote化學公式   Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH)Chemical Formula   Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH)莫氏硬度   6-7Mohs scale of Hardness   6-7描述   他在變質的大理石和磐石中出現。它的表面佈滿橫紋。其外表是綠色，灰色，啡色，甚至黑色。它擁有多色性的特質，能夠同時折射出不同顏色的光芒。它擁有鋁、鈣、鎂、鍶等化學元素。Description   It occurs in marble and schistose rocks of metamorphic origin.The faces are often deeply striated and crystals are often twinned.The color is green,grey,brown or nearly black.It displays strong pleochroism.It consists of elements like Sr,Ca,Mn,Al etc.小挑戰   我們可以在哪裡找到綠簾石? 羅克布里奇縣,弗吉尼亞州Challenge   Where can we find this stone? Rockbridge Country,Virginia     Reference 1.https://en.m.wikipedia.org/wiki/Epidote 2. http://webmineral.com/data/Epidote.shtml#.YHrlK7crhkw By 4AHo Tsz Wing Ibbie12 on 17/4/2021

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名稱   白雲石Name   Dolomite化學公式   CaCO3Chemical Formula   CaCO3莫氏硬度   3.5 to 4Mohs scale of Hardness   3.5 to 4描述   晶体为无色，白色，浅黄色，粉红色或蓝色。颗粒往往是浅灰色至深灰色，棕褐色或白色。光泽范围从微不足道的到暗淡的。Description   Crystals are colourless, white, buff-coloured, pinkish, or bluish. Granules tend to be light to dark gray, tan, or white. The lustre ranges from subvitreous to dull.小挑戰   我们在哪里可以找到这块石头？意大利东北部和意大利阿尔卑斯山一部分的山脉。Challenge   Where can we find this stone? Mountain range in northeastern Italy and part of the Italian Alps. Reference 1. https://www.britannica.com/science/dolomite-mineral 2. https://en.wikipedia.org/wiki/Dolomite by 4A Fok Yung Him 10 on 1 April 2021

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