INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of),...

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GEMSTONES GEMSTONES

Transcript of INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of),...

Page 1: INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of), ruby, sapphire, emerald, aquamarine… Their structure.

GEMSTONESGEMSTONES

Page 2: INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of), ruby, sapphire, emerald, aquamarine… Their structure.

INTRODUCTION

• Some types of gemstones are diamonds (they are the hardest material that we know of), ruby, sapphire, emerald, aquamarine…

• Their structure is geometrical, for example the diamond has a cubic system, the ruby and the sapphire have a rhombohedral system, and the emerald has a hexagonal system.

Page 3: INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of), ruby, sapphire, emerald, aquamarine… Their structure.

THE AQUAMARINE

• The aquamarine is a mineral that comes from beryl, it’s a very precious gemstone and it is the colour of the sea.

• It has a hexagonal system

Page 4: INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of), ruby, sapphire, emerald, aquamarine… Their structure.

The king Luis VI wants a crown with nine gemstones. He knows that one of them (only one) is fake. And he also knows that all the real gemstones have the same weight, except the false one, which is heavier than the others.

With a balance, the king tried to find the fake gemstone only using the balance twice.

WAS IT POSSIBLE ?

GEMSTONES

Page 5: INTRODUCTION Some types of gemstones are diamonds (they are the hardest material that we know of), ruby, sapphire, emerald, aquamarine… Their structure.

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