Rock Lab Report

rtSeptember 17, 2012 NAME: Shelby Collins TITLE: Whats That mineral OBJECTIVES: The objectives of the Mineral realisation lab is exactly what the title of the lab says, nameing minerals. In this lab, after making detailed observations of Copernican minerals by employ a tool kit, knowledge of classifying common rock forming minerals is to be gained. land: Before undertaking this lab, there ar important concepts that moldiness be understood that help with come ining and exploring important minerals. To identify a mineral, their physical properties must be examined. Such properties are glistening, the air light is reflected off of a mineral and whither or not it is metallic or non-metallic, grimness, the resistance to scratching, gravity, the density of the mineral compared to water, fracture, sec surface breakage and cleavage, breakage on matted planes. rule: The supplies needed for this lab are all include in the mineral kit, which was required fo r this course; it includes a aspect glass place, a scurvy bottle of acid, a baseball mitt lens, a magnet, a streak plate and one small knife. 1. Read oer the introduction and explanations of the minerals properties. 2.

Once the concept of the minerals properties are understood, individually go through all of the minerals and take the interest steps to identify each mineral: a. delimitate the luster of the mineral: Metallic, or Non-Metallic. b. Determine the hardness of the alien mineral. using Mohs Hardness Scale, 1-10, identifies this. If a fingernail can scratch the mineral , indeed its hardness is less than 2.5. I! f the glass plate can scratch the mineral, then its hardness is betwixt 2.5-5.5, and if it cannot, then its hardness is above 5.5. c. Determine the steak of the mineral. For this, the streak plate will be used. Take the unknown mineral, and scratch it on the streak plate. The streak may be black, grey, green, red, brown, etc. d. Examine the mineral for...If you want to get a full essay, order it on our website: BestEssayCheap.com

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