Rock Lab Report

rtSeptember 17, 2012 NAME: Shelby Collins ennoble: Whats That Mineral OBJECTIVES: The objectives of the Mineral recognition lab is exactly what the entitle of the lab says, nameing minerals. In this lab, after making detailed observations of heavy minerals by using a tool kit, knowledge of classifying park grunge rock forming minerals is to be gained. land: Before undertaking this lab, on that point are important concepts that mustiness be understood that in alleviate with identifying and exploring important minerals. To identify a mineral, their physical properties must be examined. Such properties are luster, the circularise light is reflected off of a mineral and whither or non it is metallic or non-metallic, cogency, the confrontation to shiting, gravity, the density of the mineral compared to water, fracture, irregular surface respite and cleavage, breakage on flat planes. predominate: The supplies needed for this lab are all included in the mineral kit, which was required for this rush; it includes a looking screwball place, a small bottle of acid, a hand lens, a magnet, a chevron dental plate and one small knife. 1. usher oer the introduction and explanations of the minerals properties. 2.

once the concept of the minerals properties are understood, separately go through all of the minerals and take the following step to identify each mineral: a. Determine the luster of the mineral: Metallic, or Non-Metallic. b. Determine the cruelty of the unknown mineral. Using Mohs harshness Scale, 1-10, identifies this. If a fingernail rear end mug the mineral, then its badness is less(prenominal) than 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 grade insignia 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. meditate the mineral for...If you want to line up a full essay, do it on our website: Orderessay

If you want to get a full information about our service, visit our page: How it works.