Naming the Minerals Essay Example for Free

Naming the Minerals Essay Name the minerals below. Then, insert a percentage of how certain you are in your identification. Finally, explain your percentage of certainty: What was confusing about this mineral? What other minerals do you think it could be? Remember, the minerals in the virtual lab include seven of the following: borax, calcite, corundum, graphite, gypsum, orthoclase feldspar, pyrite, quartz, talc, and topaz. Identification of Mineral Percent Certain Explanation of Certainty Example: Fluorite 80% certain I am almost certain this mineral is fluorite, but I am not completely sure. Fluorite and gypsum are both white, shiny, have white streaks, cleave, and show no reaction to acid. However, the specific gravity of this mineral is 3.18, which is higher than gypsum, so I am pretty sure it is fluorite. Mineral 1: Pyrite 80% certain I am almost sure that this mineral is pyrite because it is gold and has a black streak. The only thinks that do not match up is the specific gravity and the hardness. Mineral 2: Talc 100% certain I am certain that this mineral is talc because the hardness, specific gravity, color, streak and acid reaction are all the same. I am almost sure that this mineral is pyrite because it is gold and has a black streak. The only thinks that do not match up is the specific gravity and the hardness.. Mineral 3:Calcite 100% certain I am certain that this mineral is calcite because it is the only mineral on the list that is white and had an active bubbling acid affect. Mineral 4: Orthoclase Feldspar 90% certain I am almost certain that this mineral is orthoclase feldspar because everything matches but the hardness. The only other mineral it could be is corundum and the hardness is nine and I feel that that is way too high to be my mineral. My mineral matches best with orthoclase feldspar. Mineral 5:Quartz 100% certain I am almost certain that this mineral is quartz because it completely matches the description. Mineral 6: Gypsum 100% certain I am certain that this mineral is gypsum because the color, specific gravity, hardness, streak, luster and cleavage all match up to gypsum Mineral 7:Graphite 90% certain I am almost certain that this mineral is graphite. The only thing that does not match up is the acid reaction. When I ran the test I did not see any reaction with the acid but graphite does react to acid. I did not see any other options because the mineral is black and the streak is brown. So I am almost positive that the mineral is graphite. Part 3: Summary Write a summary answering the following: What are the four requirements for a material to be classified as a mineral? How do you differentiate between minerals? Briefly summarize the six methods to tell minerals apart. Summarize the major differences between minerals and rocks. For a solid to be classified as a mineral it must meet these four requirements: naturally solid, formed by inorganic processes, have characteristics of crystal structure, and a specific chemical composition. In order to tell minerals apart you can use these six methods: luster or color, streak, specific gravity, cleavage fracture, hardness, and acidity. Luster is the intensity that light reflects off of a mineral. A mineral may be shiny, pearly, or even metallic. Some minerals may be distinguishable by their color. By dragging a mineral across a streak plate its mineral powder will leave a streak with a particular color, but this is not a very reliable way of identifying a mineral. By dividing the weight of a mineral in water by the weight of the water you can get the specific gravity of a mineral. Another method is by determining if the mineral has cleavage or fracture. When broken a rock will either be in rounded chunks, fractured, or it be flat with corners, cleavage. Using the M oh’s Hardness Scale you can determine minerals hardness. Hydrochloric acid placed on a mineral will determine whether a mineral contains calcium carbonate. The difference between minerals and rock is that rocks are aggregates. This means a collection of minerals that intergroup together; sometimes many kinds in one rock.

why their conscience is not their guide :: essays research papers

Why Their Conscience Is Not Their Guide? In recent years there has been a serious shift in values among our Turks and Caicos families in terms of ideals handed down to children. Have you noticed how parents are going out of their way to purchase their children the latest designer wear? Be it Fubu or Phat Farm or Tommy Hilfiger. But have you also noticed that many of these parents do not go out of their way to make sure their homework is done or that they are in fact learning something in school? Have you noticed that kids are walking around with cell phones strapped to them and some the latest model? But have you also noticed that many of these same parents do not make sure that their children have a Bible or that they go to Sunday School or Church? HAVE YOU NOTICED HOW MATERIALISTIC AND SUPERFICIAL OUR CHILDEN ARE BEING RAISED WITH THE GREATEST RESPECT FOR MATERIAL POSSESSIONS RATHER THAN GOOD MANNERS AND SPIRTUAL VALUES? Well, I have and I am actually sicken by this shift in recent years. Tonight, I sat in a meeting and heard about the drug abuse and criminal activities among High School and College students: our future. And I questioned myself as to real fact that if our youth, our future does not realize they are the future and if parents don’t realise that their kids are the future and if society on a whole continues to watch our future drink and smoke themselves into a drunken stupor and slowly poison their minds with drugs, where will we be as a people? My mother is a very community minded person always cooking for community functions and playing for community events such as funerals, weddings and church services, including playing every Sunday morning in her own Church in South Caicos. Her mother raised her in the Church and ensured that she learnt a musical instrument. She in turn raised my siblings and to serve in any way we can in our community and she also made sure that we each learnt a musical instrument. Why am I saying this? There was a successive plan in my family not consciously I am sure but because they were raised that way, my mother and my grandmother raised their children that way. Parents are not making the Church an important institution in the lives of their children.

Century Genius/Stephen Hawking

The Logical Insurrection Computing Engine was built in 1958. He attended college on scholarships and focused on physics and mathematics. However he showed strong interest in theories. Especially those theories of Einstein; and the theory of relativity and the study of cosmology. In 1963 he met his first wife Jane Wiled and in 1995 they got married but divorced in 1991. Stephen began getting sick when he and Jane got married so the testing began and the news came back that Stephen had ALAS.He was told he had two years to live however he is alive to date. ALAS attacks the nerves and speaking ability, walking, breathing, and swallowing. Stephen communicates with a computer that is connected to his wheelchair. During his marriage token they had three children. The marriage didn't last and they divorced in 1991. He then married Elaine Mason which he divorced in 2006. Hawking worked for 30 years at Cambridge as the Lucian Chair of Mathematics. Sir Isaac Newton once held that position as we ll.Stephens has been the world leader in research on black holes, the birth of the universe, and the nature of space, time and gravity. He has written many best-selling books which have sold millions of copies. â€Å"A Brief History of Time† is a best-seller of Stephens and has been made into a movie. In this book Stephen tries to explain physical and mathematical ideas and calculations without using math. And also a range of subjects in Cosmology including the Big Bang, black holes, light cones and superstring theory. â€Å"A Brief History in Time† stayed on the London Sunday Times est.-selling list for 237 weeks.Stephen has won many awards In his life. He has received the CUBE in 1982 and made Companion of Honor In 1989. 1974 Stephen was elected Fellow of the Royal Society he was one of the youngest to receive this award to date. Stephen is a known Atheists and his belief Is Science will win. With all of Stephens problems and disability he has not let this stop him. He continues to use his mind and remains a strong force In the Science field. References: * penguin Books USA Inc.

LinkedIn Corporation - 9197 Words

For the exclusive use of W. Zhou, 2015. 9-713-420 REV: MARCH 19, 2013 DAVID YOFFIE LIZ KIND LinkedIn Corporation, 2012 Jeff Weiner, chief executive officer of Mountain View, CA based LinkedIn Corporation (LinkedIn), reflected on how much LinkedIn had grown since its founding in 2003. Since its inception, LinkedIn had become a leading Silicon Valley institution with a brand name that was recognizable throughout the U.S. and in many countries overseas. As of March 2012, LinkedIn was the world’s largest professional network on the Internet with $522.2 million in revenue in 2011 and more than 150 million members in over 200 countries and territories. Unlike other major social networking sites such as Facebook and Google+, LinkedIn focused†¦show more content†¦It helps on two vectors. You raise money much more easily with that capability. If you can’t raise money, you still have a valuable thing.†3 One early LinkedIn executive described another turning point for the company: In late 2005 or early 2006, we started to create these public profiles—versions of your profile that were indexed into Google. It made it easier to explain why LinkedIn was valuable. Is someone going to Google you? Of course. Don’t you care about what they find? All the Sex and the City references about Googling people led to being able to explain to mainstream America why it was so important.4 Dan Nye, formerly from Advent Software, replaced Hoffman as CEO in February 2007. Hoffman remained as the company’s chairman and president of products. He explained, â€Å"I knew I needed to hire a CEO. I know I’m strong and good at product vision, business strategy, [and] trends in the Internet industry. I like to spend my time on business and product questions, rather than organizational things.†5 The company continued to add premium subscription products and corporate services, and in late 2007, introduced its Intelligent Applications platform, which enabled partners to build LinkedIn features on their Web sites or deploy applications on LinkedIn’s. In early 2008, the company announced that over 5 million of its 18 million members were based in Europe, and opened its first overseas office in London. Early that year, LinkedIn also launched company profiles (inShow MoreRelatedLinkedin Analysis : Linkedin Corporation Essay1094 Words   |  5 PagesWeek 2 Project â€Å"LinkedIn† Executive Summary This paper addresses LinkedIn Corporation. This article explains how Linked in business model works. 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