COURSE UNIT TITLE

: IDENTIFY NATURAL, SYNTHETIC AND IMITATION GEMSTONES

Description of Individual Course Units

Course Unit Code Course Unit Title Type Of Course D U L ECTS
NBG 5010 IDENTIFY NATURAL, SYNTHETIC AND IMITATION GEMSTONES ELECTIVE 2 0 0 5

Offered By

Graduate School of Natural and Applied Sciences

Level of Course Unit

Second Cycle Programmes (Master's Degree)

Course Coordinator

PROFESSOR DOCTOR MURAT HATIPOĞLU

Offered to

NATURAL BUILDING STONES AND GEMSTONES

Course Objective

Able to distinguish scientifically whatever a gem material except diamond than imitation material. Then, establish whether that material is natural or synthetic. The use of characteristic inclusions as a means of gem identification. To show gemmological application of Micro-Raman and UV-Vis-IR spectrophotometres.

Learning Outcomes of the Course Unit

1   Able to have knowledge of natural, synthetic and imitation gemstones.
2   Able to identify natural, synthetic and imitation gem stones visually and by tests.
3   Able to understand the structure of gemmological test equipment.
4   Able to use further gemmological microscopes and devices.
5   Able to comment on gathered data and test results.

Mode of Delivery

Face -to- Face

Prerequisites and Co-requisites

None

Recomended Optional Programme Components

None

Course Contents

Week Subject Description
1 Natural, synthetic and artificial-imitation concepts. Meanings in gemstones.
2 Crystals and defects in crystals.
3 Essential instruments for gem testing. Gemmological microscopes. Microscopy (types of illumination).
4 How to distinguish natural gems from synthetics and imitations. How to make the gem identification process efficient.
5 Inclusions in gemstones (classification, solid inclusions, liquid and gas inclusions, growth phenomena).
6 Able to operate and evaluate further spectroscopy devices (micro-Raman, UV-Vis-IR, luminescence).
7 Mid-term exam.
8 Distinguish natural and imitation corals from each other.
9 Identifying assembled stones, glass and other imitations. Glasses and plastics (types of class, coloring of classes, properties of glass, ceramic, and plastic and imitations).
10 Composite gemstones. Doublets, triplets, and foil backs. Detection of doublets and triplets.
11 Impregnation and surface modification. Enhanced stones and ancillary tests.
12 The principal methods of treating or enhancing (dyeing, heat-treating, and irradiation).
13 Gemmological treatment and enhancement concepts. How to detect treated (dyeing, heat treating, irradiation coloration) gems. Learn about the latest treated gems in the market today.
14 Manufactured crystals used as diamond imitation. Identifying the differences between diamond and synthetic white materials (moissanite, cubic zirconium, GGG, YAG, fabulite, titania etc).

Recomended or Required Reading

1. Murat HATIPOĞLU. Gemoloji (Gemolojik Incelemenin Temel Kuramları).
2. Murat HATIPOĞLU. Sentetik Süstaşları.
3. Kurt NASSAU. Gems Made by Man.

Planned Learning Activities and Teaching Methods

1.Teaching
2.To be made application and research homework

Assessment Methods

SORTING NUMBER SHORT CODE LONG CODE FORMULA
1 MTE MIDTERM EXAM
2 ASG ASSIGNMENT
3 FIN FINAL EXAM
4 FCG FINAL COURSE GRADE MTE * 0.30 +ASG * 0.20 +FIN * 0.50
5 RST RESIT
6 FCGR FINAL COURSE GRADE (RESIT) MTE * 0.30 + ASG * 0.20 + RST * 0.50


Further Notes About Assessment Methods

1.Teoritical Mid Exam %30 (CLO1, CLO2, CLO3, CLO4)
2.Presentation of Assignment and Research Homework %20 (CLO5)
3.Final Exam %60 (CLO1, CLO2, CLO3, CLO4)

Assessment Criteria

It will be evaluated theoretical mid exam, presentation of assignment and research homework and final exam as well as 5 course-learning outcomes.

Language of Instruction

English

Course Policies and Rules

All students must attend to the conducted courses with at least 80%. During the course and in the exams, all kind of making a copy are evaluated comprising a discipline crime.

Contact Details for the Lecturer(s)

E-mail: murat.hatipoglu@deu.edu.tr
Tel: +90-232-3012564

Office Hours

Working hours in week that the faculty staff has not a course period.

Work Placement(s)

None

Workload Calculation

Activities Number Time (hours) Total Work Load (hours)
Lectures 12 2 24
Preparations before/after weekly lectures 10 2 20
Preparation for midterm exam 1 4 4
Preparation for final exam 1 5 5
Preparing presentations 1 70 70
Final 1 1 1
Midterm 1 1 1
TOTAL WORKLOAD (hours) 125

Contribution of Learning Outcomes to Programme Outcomes

PO/LOPO.1PO.2PO.3PO.4PO.5PO.6PO.7PO.8PO.9PO.10PO.11PO.12
LO.114351412
LO.21215
LO.3431422
LO.4331113
LO.532233