Code: ML310 名稱 CalciteName 方解石化學公式 CaCO3Chemical Formula CaCO3莫氏硬度 3Mohs scale of Hardness 3描述 它是無色或白色。條紋是白色的，在乳溝表面上的光澤為玻璃態至珍珠色。Description It is colorless or white. The streak is white and the luster is vitreous to pearly on cleavage surfaces. 小挑戰 方解石是否脆性？方解石易碎 Challenge Is Calcite brittle or not? Calcite is brittle Reference https://en.wikipedia.org/wiki/Calcite By 4B Lo King Wai 20 on 28 Mar 2021
Code: ML309 名稱 熒光礦物藏品(長波及短波 Name Fluorescent minerals collection (Longwave & shortwave)化學公式 –Chemical Formula –莫氏硬度 –Mohs scale of Hardness –描述 當某種常溫物質經某種波長的入射光照射，吸收光能後進入激發態，並且立即退激發並發出出射光;而且一旦停止入射光，發光現象也隨之立即消失。具有這種性質的出射光就被稱之為螢光。一般以持續發光時間來分辨螢光或磷光，持續發光時間短於10-8秒的稱為螢光，持續發光時間長於10-8秒的稱為磷光。在日常生活中，人們通常廣義地把各種微弱的光亮都稱為螢光。 Description When a certain room temperature substance is irradiated by incident light of a certain wavelength, it enters an excited state after absorbing light energy, and immediately de-excites and emits outgoing light; and when the incident light is stopped again, the luminescence phenomenon disappears immediately. Generally, fluorescence or phosphorescence is distinguished by continuous emission time. Those with continuous emission time shorter than…
名稱 熒光礦物藏品(短波)Name Fluorescent minerals collection (Shortwave)化學公式 –Chemical Formula –莫氏硬度 –Mohs scale of Hardness –描述 當它吸收外界能量後它會發出螢光色。Description When it absorbs external energy, it emits a fluorescent color小挑戰 現在發現多少種？ 全世界已經發現的礦物有5000多種 但具有螢光性的僅200種左右Challenge How many kinds are found now? There are more than 5,000 minerals found in the world But only about 200 kinds are fluorescent Reference https://www.google.com.hk/amp/s/kknews.cc/science/r8jxkmo.amp by 4B12 Lam Cheuk Ying Opal on 2 April 2021
Code:ML307 名稱 綠色方解石Name Green Calcite化學公式 CaCO3Chemical formula CaCO3莫氏硬度 3Mohs scale of Hardness 3描述 綠方解石屬於碳酸鹽的礦物類別，是通過沉降形成的。石頭中的綠色是結晶過程中捕獲的綠泥石，具有舒緩而美麗的淺綠色陰影，並且石頭是不透明的Description Green-Calcite belongs to the mineral class of carbonate and is formed through sedimentation. The color green in the stone comes from the chlorite that got trapped during crystallization.It has a soothing and beautiful light green shade, and the stone is opaque小挑戰 綠色方解石的日常用途是什麼？ 它用作幫助釋放壓力和鬆弛的工具Challenge What is the daily uses of green calcite? It is used as a tool to help release stress and relaxation Reference: https://meanings.crystalsandjewelry.com/green-calcite/ https://zh.m.wikipedia.org/wiki/%E6%96%B9%E8%A7%A3%E7%9F%B3 By 4B Kwok Siu…
Code: ML306 名稱 橘色方解石Name Tangerine Calcite化學公式 CaCO3Chemical Formula CaCO3莫氏硬度 3Mohs scale of Hardness 3描述 橘子方解石是一種橙色的碳酸鈣礦物，是碳酸鈣最穩定的多晶型物。Description Tangerine Calcite is a orange carbonate mineral and is the most stable polymorph of calcium carbonate.小挑戰 你在哪裡可以找到方解石。 (在石灰石，大理石等中)Challenge Where can you find calcite. (In limestone, marble etc) Reference 1.https://en.wikipedia.org/wiki/Fluorite 2. https://geology.com/minerals/calcite.shtml By 4B Ko Ka Chun (9) on 17/4
Code:ML305 名稱 橙色方解石Name Orange Calcite化學公式 CaCO3Chemical Formula CaCO3莫氏硬度 3Mohs Scale of Hardness 3描述 它是無色，白色，黃色，紅色橙色，藍色，綠色，棕色，灰色。它的條紋是白色的。其卵裂表面為玻璃狀至珠光狀。 Description It is colorless, white, yellow, red orange, blue, green, brown, gray. Its streak is white. Its luster is vitreous to pearly on cleavage surface. 小挑戰 橙色方解石有什麼用？它用作雕刻對象和應用。 Challenge What is the use of orange calcite? It is used as carved objects and application. Reference https://en.wikipedia.org/wiki/Calcite By 4B Hung Man Ting Florence on 15 April 2021
Code: ML304 名稱 藍螢石Name Blue Fluorite 化學公式 CaF2Chemical Formula CaF2莫氏硬度 4Mohs scale of Hardness 4描述 晶體可能是無色的，但有時也可能是黃色，粉紅色，綠色，藍色或紫色，或上述顏色的一些其他混合物。 Description Occasionally, the crystal may be colorless, yet sometimes it may also be yellow, pink, green, blue, or purple, or some other mixtures of the aforementioned colors. 小挑戰 為什麼藍螢石是有價值的？ 螢石是全世界最有價值和最有價值的晶體之一。這是因為它具有美麗和光度。此外，它還具有玻璃狀和柔軟的外觀，通常外觀非常鮮豔。 Challenge Why blue fluorite is valuable ? Fluorite is amongst the most collectible and most valued crystals in the whole wide world. This is…
名稱 賽黃晶Name Danburite化學公式 CaB2(SiO4)2Chemical Formula CaB2(SiO4)2莫氏硬度 7-7.5Mohs scale of Hardness 7-7.5描述 賽黃晶是一種鈣硼矽酸鹽礦物，形成小棱柱狀晶體，類似於黃玉。它的顏色可以從白色到淺黃色，也可以是淺棕色。非常優質的丹布里石是無色的，通常是透明的。有時甚至可以發現它上面有一層無光澤的石英塗層。由於寶石的清晰度和彈性，珠寶商喜歡切割這種材料。 Description Danburite is a calcium boron silicate mineral that forms in small prismatic crystals, similar to Topaz. Its color can range from a white to light yellow, and also a light shade of brown. Very high quality Danburite is colorless and usually transparent. Sometimes it can even be found with a druzy coating of Quartz over it. Jewelers love cutting this material due to the gems clarity and…
名稱 鉻鉛礦Name Crocoite化學公式 PbCrO4Chemical Formula PbCrO4莫氏硬度 2.5–3Mohs scale of Hardness 2.5–3描述 鉻鉛礦通常為橙色、紅色和黃色，而在透射光下為橙紅色。它的條紋呈現淡黃橙色。鱷魚石的光澤為亞玻璃質、樹脂質和蠟狀。Description Crocoite is usually in orange, red and yellow, while it is orange-red in transmitted light. The streak of it is yellowish orange. Luster of Crocoite is sub-vitreous, resinous and waxy.小挑戰 有什麼地方可以找到大量的鉻鉛礦？ 在鄧達斯山的延伸礦山以及塔斯馬尼亞州鄧達斯的其他幾座礦山中被發現有大量的鉻鉛礦。Challenge Are there any places where large amount of Crocoite could be found? Abundant masses of crocoite crystals have been found in the Extended Mine at Mount Dundas and a few other…
Code: ML301名稱金紅石NameRutile化學公式TiO2Chemical FormulaTiO2莫氏硬度6.0-6.5Mohs scale of Hardness6.0-6.5描述金紅石晶體質脆。通常略帶紅色，也有略帶黃色，藍色或紫色的晶體。金紅石具有平行於柱面的兩組不明顯的解理。主要見於砂礦中，亦見於火成岩及片麻岩等變質岩中。主要用於提取鈦和製造白色顏料。DescriptionNatural rutile may contain up to 10%iron and significant amounts ofniobium and tantalum. Rutile derivesits name from the Latin rutilus, red, inreference to the deep red colorobserved in some specimens whenviewed by transmitted light. Rutilewas first described in 1803 byAbraham Gottlob Werner.小挑戰我們在哪裡可以找到這石頭？中國，挪威，美國，俄羅斯等。ChallengeWhere can we find this stone?America, China, Russia, Norway…. Referencehttps://zh.wikipedia.org/wiki/金红石by Yuen Cheuk Sze on 18 Apr 2021