pre lab 1

pdf

School

Georgia Southern University *

*We aren’t endorsed by this school

Course

1121

Subject

Geology

Date

Dec 6, 2023

Type

pdf

Pages

3

Uploaded by EarlPorpoiseMaster984

Report
Name Cjflf_&_&fl\& Section_______ Due: Beginning of lab Week 2 Pre-Lab Assignment 1: Mineral Identification * Hand-write all your answers to the following questions. i S pse the lab manual, the PowerPoint preszgtgtion on Folio, the mineral sample images on Folio, and the internet to find your answers. When you are finished, convert your assignment into a single, multi-page pdf document Make sure your scanned pdf document is neat, legible, and professional. : | Submit your assignment to the Assignments folder on Folio. Don't leave any questions blank! 1. List the five characteristics that define a substance as a mineral. o : . ~ OO\ C Chomcul /P ban "W\ Jalbgcal Pogeca Z Nm\\) CQg\m\!in{, Z\Xuctae 2. Define the physical property luster. oy (e o Ve teReckS) (wts N3 : a. The two main types of luster are M&(fi\\ cf DW\UL and “OWN@M\Q 3. Define the physical property hardness. Res 5o, OF A Mt o odlomiéon 0 SeqOVY 4. Would the mineral corundum leave a streak on a streak plate? Why or why not? A8 Y Mveal (S Softev Wen Y SeltoXe oke g PN bl @ Glreald 5. Define the term mineral cleavage. - Wen 4 Mol g e wibn & o E i G pctue 00 CHAVE 6. How many planes of cleavage does the mineral quartz have? \(\D\‘\L
What are two special diagnostic properties of calcite? hdness o5 3 O \eeous luster What is the special diagnostic property of the mineral plagioclase? Dkt clovaSe ), Wi Ovge fooes ntCecthY M (Y angés The mineral dolomite is a carbonate mineral, like calcite, and dolomite also reacts with acid. However, unlike with calcite, you have to do something to dolomite to get it to react with acid. What needs to be done to dolomite to get it to react with acid? Y - X > | o DD W % it 0§\d S hadd 4F 0f tr Wlowmide 'S Crthed MO Rwder . You have a glass baking dish that has caked-on and baked-in food stains on it. You tried using a green scrubby pad to clean it, but to no avail. You decide you need a harder scrub pad, so you go to the store. At the store, you see two types of scrub pads, and both of them will work to clean the glass dish. There is a copper scrub pad and a steel scrub pad. Which one will you buy so as to guarantee you will not scratch your glass baking AT v meed o by Yo P breguse g 5 ‘\L_‘.‘D;'H'f \il]‘(”'\ (\OPP(// . Gold and pyrite are often found together out in the field. You are on a hike in the mountains near Dahlonega, and you discover some goldish yellow minerals in the outcrops. You get excited that you may have stumbled upon a nice vein of gold. Describe two tests you can perform on the minerals from the vein to distinguish between gold and pyrite. You'll need to look up the physical properties of both gold and pyrite. Test 1 (explain): Lt Yor (un do A Wadnets 4=ff>~’/ ;7>/,,L€ Wil lew A Sl gbld Lt Test 2 (explain): Y0u (un POIZC uN!‘ (/\hlh’t St 7‘)& i if breaks - Prlke
Mineral Identification: . ; . Folio * Questions 12-18 give descriptions of the physical properties of the respective mineral e S Wwithin the module for this pre-lab assignment. : identi inerals. Use the physical descriptions of the minerals and Table 1-4 in your lab manual to identify the mine 12. Identify the following mineral using Table 1-4 in your lab manual. Streak: White Luster: Glassy Hardness:6 Color: Greenish-black ~ Cleavage: 2 planes (80%) Mineral: AU()\\ 4 (, =) . Identify the following mineral using Table 1-4 in your lab manual. Luster: Glassy Hardness: 4 Color: purplish to clear ~ Cleavage: 4 planes (not at 90°) Streak: White Mineral: &\\)\N \\{/ . Identify the following mineral using Table 1-4 in your lab manual. Luster: Metallic Hardness: 6 Color: Gold/yellow gold ~ Cleavage: None Streak: dark gray to black Mineral: /\)\N\\’{, . |dentify the following mineral using Table 1-4 in your lab manual. Luster: Glassy Hardness: 6.5 Color: Bright green Cleavage: poor to none Streak: White to none Mineral: b\\\\ \\\k) . Identify the following mineral using Table 1-4 in your lab manual. Luster: Glassy or greasy Hardness: 3 Color: various colors ~ Cleavage: 3 planes (not at 90°) Streak: White Special Properties: Fizzes robustly with acid; double refraction Mineral: QD\\Q) \VQ, . Identify the following mineral using Table 1-4 in your lab manual. Luster: Silky or pearly Hardness: 2 Color: colorless or white Cleavage: 2 planes at 90° Streak: White Special Properties: Transparent and bladed crystals, soft Mineral: 0\\196( WA SRR . Identify the following mineral using Table 1-4 in your lab manual. Luster: Glassy Hardness: 2.5-3 Color: white, gray, silvery Cleavage: 1 plane (top and bottom) Streak: White Special Properties: Very thin platy crystals stacked in sheets. Very easy to peel layers. Mineral: \N\\U)n
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help