The Encyclopedia of Gemstones and Minerals by Martin Holden (1991)

The Encyclopedia of Gemstones and Minerals by Martin Holden (1991) This work offers information on the properties/values of over 200 rocks, stones, jewels and other natural substances. From amber to zinc, and from diamond-edged blades to orthoclase-based porcelains, details about characteristic form, specific gravity, symmetry system, refraction, location, use and commercial value are provided. Also … Read more

Gemstones: A Complete Color Reference for Precious and Semi Precious Stones of the World by Karen Hurrell (2016)

Gemstones: A Complete Color Reference for Precious and Semi Precious Stones of the World by Karen Hurrell (2016) This fascinating work provides a truly stunning visual guide to the beautiful world of gemstones. It brings together a wealth of information in clearly worded text accompanied by a dazzling collection of color photographs showing gems in … Read more

Gemstones of The World by Elisabeth Laws (2012)

Gemstones of The World by Elisabeth Laws (2012) Imbued with religious and supernatural significance, gemstones have been a source of fascination for humankind since the earliest ages. They are worn as adornment, exchanged as valuable commodities, and regarded as purveyors of health, good fortune, and status. Any story of human development—be it of religion, art, … Read more

Identifying Man Made Gems by Michael O’Donoghue (1983)

Identifying Man Made Gems by Michael O’Donoghue (1983) Also Review Quartz by Michael O’Donoghue (1987) Gemstones by Michael O’Donoghue (1988) The Encyclopedia of Minerals and Gemstones by Michael O’Donoghue (1983) Gems: Their Sources, Descriptions and Identification by Michael O’Donoghue The Encyclopedia of Rocks, Minerals, and Gemstones by Henry Russell (2001) Michael’s Gemstone Dictionary: Metaphysical Properties … Read more

Quartz by Michael O’Donoghue (1987)

Quartz by Michael O’Donoghue (1987) Also Review Gemstones by Michael O’Donoghue (1988) The Encyclopedia of Minerals and Gemstones by Michael O’Donoghue (1983) Gems: Their Sources, Descriptions and Identification by Michael O’Donoghue The Encyclopedia of Rocks, Minerals, and Gemstones by Henry Russell (2001) Michael’s Gemstone Dictionary: Metaphysical Properties of Gems and Minerals by Judithann H David … Read more

Gemstones by Michael O’Donoghue (1988)

Gemstones by Michael O’Donoghue (1988) Gemstones is the first attempt in English to bring together the geological, mineralogical and gemmological developments that have taken place during the last thirty years. Though there have been many gemstone books published in that time, most have been concerned, understandably and rightly, with the science of gem testing and … Read more

The Hindu Conception of the Functions of Breath: A Study in Early Hindu Psycho-Physics by Arthur Henry Ewing (1901)

The Hindu Conception of the Functions of Breath: A Study in Early Hindu Psycho-Physics by Arthur Henry Ewing (1901) This essay explores the origin and estimates the values of the Hindu explanations and definitions of the series of terms comprising Prāṇa or vital breaths. It provides a rare analysis of the question of proper interpretation … Read more