gemstone practice quiz - How many naturally occurring...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
How many naturally occurring chemical elements are there? A. 55 B. 92 C. 103 D. 94 The unit cell relates the following things to one another: A. atoms in space in proper proportions to the chemical composition B. electrons and protons in proper proportions to the chemical elements in the compound C. neutrons and electrons in proper proportions to the chemical elements in the compound D. atoms in space to one another in relation to the symmetry elements. A sedimentary rock forms under the following conditions: A. Crystallization of the constituent minerals from a silicate melt. B. Transformation of rock minerals from a previous rock due to temperature and or pressure C. Compaction and cementation of rock fragments and or mineral grains D. Crystallization of the constituent minerals from a nesosilicate melt. A metamorphic rock forms under the following conditions: A. Crystallization of the constituent minerals from a silicate melt. B. Transformation of rock minerals from a previous rock due to temperature and or pressure C. Compaction and cementation of rock fragments and or mineral grains D. Crystallization of the constituent minerals from a nesosilicate melt. An igneous rock forms under the following conditions: A. Crystallization of the constituent minerals from a silicate melt. B. Transformation of rock minerals from a previous rock due to temperature and or pressure C. Compaction and cementation of rock fragments and or mineral grains D. Crystallization of the constituent minerals from a nesosilicate melt. The chemical composition of turquois is: A. Al 2 O 3 (with Fe, Ti impurities) B. Be 3 Al 2 Si 6 O 18 with Cr C. Mg Al 2 O 4 D. CuAl 6 (PO 4 ) 4 (OH) 8 •5H 2 O The chemical formula of topaz is A. SiO 2 B. Al 2 SiO 4 (OH, F) 2 C. Ca 2 Mg 5 Si 8 O 22 (OH) 2 D. Cu 2 CO 3 (OH) 2 The chemical composition of ruby is: A. (Al 0.99 Cr 0.01 ) 2 O 3 B. Al 2 O 3 (Fe, Ti) C. CaCO 3 D. (Mg,Fe) 2 SiO 4 The chemical composition of sapphire is: A. Al 2 O 3 (Fe, Ti) B. (Al 0.99 Cr 0.01 ) 2 O 3 C. Al 2 SiO 4 (OH, F) 2 D. NaAlSi 2 O 8 The chemical composition of kunzite is:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A. Al 2 SiO 4 (OH, F) 2 B. CuAl 6 (PO 4 ) 4 (OH) 8 •5H 2 O C. NaAlSi 2 O 8 D. Li Al Si 2 O 6 Quartz forms in the following crystal system: A. Cubic B. Monoclinic C. Triclinic D. Trigonal Diamond forms in the following crystal system: A. Cubic B. Monoclinic
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/11/2010 for the course ECONOMICS ECON 1B03 taught by Professor Holmes during the Fall '08 term at McMaster University.

Page1 / 7

gemstone practice quiz - How many naturally occurring...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online