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 grievous minerals by apply a tool kit, knowledge of classifying common rock forming minerals is to be gained. land: Before undertaking this lab, there argon important concepts that moldiness be understood that help with recogniseing 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, abrasiveness, the resistance to scratching, gravity, the density of the mineral compared to water, fracture, sec surface breakage and cleavage, breakage on planar planes. rule: The supplies needed for this lab are all include in the mineral kit, which was requir ed for this course; it includes a feel glass place, a lower-ranking bottle of acid, a hold 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 undermentioned steps to identify each mineral: a. follow the luster of the mineral: Metallic, or Non-Metallic. b. Determine the hardness of the dark mineral. utilise Mohs Hardness Scale, 1-10, identifies this. If a fingernail can scratch the min eral, consequently its hardness is less tha! n 2.5. If 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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