GEOLOGY
ASSIGNMENT 1(UNISA)
SEMESTER 1 & 2 - 2021
GEO3701
SOLUTIONS AND STUDY
NOTES
ROBANKS CONSULTANCY®
The document contains the Assignment, Solutions and
study notes related to the Geology (GEO3701)
Assignment 1, which focuses on Mohs scale of mineral
hardness.
ROBANKS CONSULTANCY
+27783710473
4/20/2021
, Question 1: Mohs Hardness
1.1 Order the following minerals from soft to hard and provide the Mohs
hardness rating for each of the materials: Corundum, diamond, rock salt, talc,
limestone (10)
1.2 Provide the definitions for “Hard”, “medium” and “soft” in terms of the
Mohs scale. Also provide the hardness rating ranges on the Mohs scale, for
each of the definitions. (6)
Question 1 = 16 marks
Question 2: Mineral groups
2.1 List the 7 major mineral groups and assign each of the following minerals to
the groups you listed: quartz, hematite, gypsum, barite, diamond, gold, and
calcite. (14)
Question 2 = 14 marks
Assignment 1 total = 30 Marks
1|Page ROBANKS CONSULTANCY
ASSIGNMENT 1(UNISA)
SEMESTER 1 & 2 - 2021
GEO3701
SOLUTIONS AND STUDY
NOTES
ROBANKS CONSULTANCY®
The document contains the Assignment, Solutions and
study notes related to the Geology (GEO3701)
Assignment 1, which focuses on Mohs scale of mineral
hardness.
ROBANKS CONSULTANCY
+27783710473
4/20/2021
, Question 1: Mohs Hardness
1.1 Order the following minerals from soft to hard and provide the Mohs
hardness rating for each of the materials: Corundum, diamond, rock salt, talc,
limestone (10)
1.2 Provide the definitions for “Hard”, “medium” and “soft” in terms of the
Mohs scale. Also provide the hardness rating ranges on the Mohs scale, for
each of the definitions. (6)
Question 1 = 16 marks
Question 2: Mineral groups
2.1 List the 7 major mineral groups and assign each of the following minerals to
the groups you listed: quartz, hematite, gypsum, barite, diamond, gold, and
calcite. (14)
Question 2 = 14 marks
Assignment 1 total = 30 Marks
1|Page ROBANKS CONSULTANCY
