Ore minerals Study guides, Study notes & Summaries

GIA Diamonds and Diamond Grading Final Exam Questions and Correct Answers. Complete Verified Solution 2024. Substantial price discounts are available to retailers and jewelry manufacturers who can buy in large quantities. The diamond industry has changed dramatically in recent years because the world's supply of diamond rough has increased. A diamond grading system provides a consistent way to communicate diamond quality. Diamond's supreme hardness and durability are a result of the co...

GIA Diamond Essentials Exam With 100% Correct Answers 2024 chemical element - answerconsists of only one kind of atom mineral - answerinorganic. most minerals are a combo of 2 or more elements diamonds form - answerwithin 90-120 miles below earth's surface value factos - answerfeatures used to judge the quality and value of stones - a diamonds value is based on its combo of the Four C's inclusions - answerclarity characteristic totally enclosed in a polished gemstone or extending into it...

BBE Quiz Questions and Answers 2024 Verified 100% According to Dave Morris's 'The Once and Future Carbohydrate Economy', "In 1820, Americans used two tons of [plant matter] for every one ton of [coal/oil]... But by 1975 Americans used ________ ton(s) of [coal/oil] for every one ton of [plant matter]." Eight Natural Resources Include Land Water Fossil Fuels Non-metallic minerals Metallic minerals Air The US is a net exporter of iron ore True According to the 2017 U.S. Energy In...

Science Olympiad: Rocks and minerals Rated A+ Albite H: 6.0, S.G: 2.63. A silicate (NaAlSi3O8) a widely distributed rock-forming feldspar. Generally white or light colore. Two directional cleavage. Almandine H:6.5-7.5, S.G:4.31. Color deep purplish red. Usually found in metamorphic rock. a deep red garnet consisting of iron aluminum silicate Amazonite H: 6.0, S.G: 2.5-2.6, Luster: Glassy-vitreous, Color: Green, white, flesh. The only green feldspar Apatite H 5.0, S.G. 3.1-...

BBE Quiz Questions and Answers 2024 Verified 100% According to Dave Morris's 'The Once and Future Carbohydrate Economy', "In 1820, Americans used two tons of [plant matter] for every one ton of [coal/oil]... But by 1975 Americans used ________ ton(s) of [coal/oil] for every one ton of [plant matter]." Eight Natural Resources Include Land Water Fossil Fuels Non-metallic minerals Metallic minerals Air The US is a net exporter of iron ore True According to the 2017 U.S. Energy In...

From the textbook. Why did the author suggest California is in a state of denial? correct answers Because they import much of what they consume but at the same time they have abundant resources of their own. Figure 2 showed the % consumption of different resources for the developed nations. It showed that in the year 2010 these countries consumed about __________% of the global petroleum consumption. correct answers 50% Globally we consume about 12 tons per person per year but this is slig...

According to the assigned reading, where does the majority of our water usage come from? correct answers Manufacturing goods According to Hans Rosling, how many people live below the poverty line and don't have electricity? correct answers 2 billion Assume the Proven Reserves of the mineral bambium are 50 tons and the consumption rate of bambium is 2 tons per year. What is the R/P ratio? (Note: the "production" or certain minerals is the same as the consumption or extraction from their...

DSST Test Questions and answers already passed 2023/2024 The ability of a mineral to resist scratching is called - correct answer hardness The breaking of a mineral along definite planes is called - correct answer cleavage The two most abundant elements in the earth's crust are - correct answer oxygen and silicon Which of the following internal crystalline structure of minerals does not have three axes at right angles to one another? - correct answer monoclinic Ore minerals contain...

According to Dave Morris's 'The Once and Future Carbohydrate Economy', "In 1820, Americans used two tons of [plant matter] for every one ton of [coal/oil]... But by 1975 Americans used ________ ton(s) of [coal/oil] for every one ton of [plant matter]." correct answers Eight Natural Resources Include correct answers Land Water Fossil Fuels Non-metallic minerals Metallic minerals Air The US is a net exporter of iron ore correct answers True According to the 2017 U.S. Energy Inf...

Study Guide Unit 1 Section C-Minerals and Moles Test Questions And Answers 2024 Atmosphere supplies: - ANS-Nitrogen, oxygen, neon, and argon Hydrosphere supplies: - ANS-Water and some dissolved minerals (Sodium Chloride) Example: Nacl Lithosphere supplies/Earth's crist - ANS-Solid part of Earth, provides greatest variety of chemical resources. Which part of our planet is the major "supply house" for the raw materials for manufactured goods? - ANS-Lithosphere (Earth's crust) Depos...