Chapter 1: The types of rocks. 1.1 Igneous rocks. 1.2 Sedimentary rocks. 1.3 Metamorphic rocks. 2. Other classification of rocks. 3. Primary and secondary minerals. 4. Composition of major rock types. Chapter 2: Rock forming minerals. 2.1 Quartz, tridymite, chalcedony, agate, opal, jasper, amethyst, citrine, cristobalite, cairngorm, bloodstone and flint. 2.2 Feldspars. 2.3 Feldspathoids. 2.4 Micas. 2.5 Other micacenous minerals. 2.6 Amphiboles. 2.7 Pyroxenes. 2.8 Olivine's. 2.9 The silicates of alumina. 2.10 Other common rock forming minerals. 2.11 The opaque minerals. 2.12 Preparation of slides. Chapter 3: The production of aggregate. 3.1 Types of crushes and granulates. 3.2 Comparison of types of machines. 3.3 Reduction ratio. 3.4 Miscellaneous factors. 3.5 The production of single sized aggregate. Chapter 4: The basic physical properties of rocks. 4.1 Relationship of basic properties. 4.2 Bulk density, void content, specific gravity and absorption of aggregate. Chapter 5: Petrographic examination, grading, shapes and texture of aggregates. 5.1 Petrographic examination. 5.2 The grading and surface area of aggregates. 5.3 Measurements of aggregate shape. 5.4 The measurement of the surface texture of aggregate. 5.5 Methods of measuring surface irregularities. 5.6 The characterization of surface texture. 5.7 The new apparatus. Chapter 6: Harmful constituents, thermal properties and moisture content. 6. 1 Presence of harmful constituents. 6.2 Measurements of coefficient of thermal expansion of aggregate. 6.3 Methods of measuring the moisture content of aggregate. Chapter 7: Strength and other test for aggregates. 7.1 Mechanical tests. 7.2 Test on single samples. 7.3 Attrition testing of aggregate. 7.4 Ball mill methods for determination of the disintegration of flexible base. 7.5 Test for the maximum dry compressive strength of soils, gravel's or crushed rock materials. 7.6 The polishing of roadstones. 7.7 The British standard aggregate abrasion test. 7.8 Mechanical test for fine aggregate. Chapter 8: The interrelationship of aggregate properties. 8.1 Relationship of arbitrary mechanical test results to the fundamental properties of stone. 8.2 Correlation between Los Angeles percentage wear and other test results. 8.3 Relationship of interparticle friction to other properties of stones. Chapter 9: Properties of aggregate, which affect the adhesion of bitumen. 9.1 Compatible charges and effect of water. 9.2 Testing of aggregate for adhesion of binder. Chapter 10: The durability of rock. 10.1 Soundness test. 10.2 Freezing and thawing test on aggregate and concrete. Chapter 11: The use of x-ray diffractometry for judging the durability of rock. 11.1 The nature of matter. 11.2 The x-ray diffractometer. 11.3 Specimen preparation. 11.4 Derivation of miller indices. 11.5 The examination of specimens. Chapter 12: Thermal analysis. 12.1 Thermogravimetric analysis and differential 12.2 Preparations of fine samples. 12.3 Differential thermal analysis. Chapter 13: Arbitrary test for durability of rock. 13.1 The methylene blue adsorption test. 13.2 The washing degradation test. 13.3 Determination of slakes durability index. 13.4 Interpretation of results of secondary mineral content, Washington degradation value and methylene blue adsorption. Chapter 14: The performances of rocks in practices and its relationship to mineralogical composition. 14.1. Environmental conditions and ways of deterioration. 14.2 The petrological report and its interpretation. 14.3 The influence of mineralogical composition on the properties of rocks. 14.4 Colour. 14.5 The shrinkage and swelling of aggregate. 14.6 international tests concerning the durability of rocks.