Category Archives: Uncategorized

New Method for Measuring Specific Gravity

An easier method of measuring the specific gravity of objects – especially good for loose gemstones of any size.  This method uses the law of conservation of energy, is far easier to set up than the classic approach, and is … Continue reading

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Chemistry for Gemmologists

Greetings GemChem is a short work on chemistry containing more than enough chemistry to give one background information on the structure of gemstones.  Hope you enjoy the work. Adrian

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George Johnstone Stoney

Bioigraphy of the namer of the electron -  Professor Queen’s College (now NUI) Galway.  Book 1 covers his early years in Birr, Trinity and Galway.

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