Amateur Gemstone Faceting Volume 2: Expanding Your Horizons, Paperback/Tom Herbst

Contributor(s): Author: Tom Herbst Note: This is Volume 2 of Amateur Gemstone Faceting, containing Chapters 10 to 20. To track down Volume 1, search for “Amateur Gemstone Faceting Volume 1: The Essentials.” Have you ever gazed in wonder at a faceted gemstone, at the ever-changing interplay of light, colour, and sparkle, and asked yourself how such a thing could come into being? Gemstones have been a source of fascination, mystery, and power for millennia, yet it is only in the last few decades that the tools and knowledge for creating these tiny miracles have been available to the average person. In this second volume, amateur faceter Tom Herbst helps you expand your faceting horizons. You will learn about the optics and mathematics behind the magic of gemstones. Subsequent chapters on the properties and treatment of common gem materials will help you identify and make the most of your valuable rough. To really expand your horizons, try faceting on your computer, visualizing gemstones before committing the stone to the lap. Nothing can match the satisfaction of creating and cutting your own unique gem cuts. Chapters on general design principles and a specific case study should help you on your way. Finally, faceters are inveterate tinkerers, and the concluding chapter lays out ideas for multiple do-it-yourself projects, including instructions for building a precision digital angle encoder for your faceting machine. Happy cutting, and may your horizons expand before you. Chapter 10 – Gemstone Mathematics and Geometry Introduces the essentials of trigonometry needed for faceting, including tangent ratio scaling. Discusses gemstone symmetry and maximizing yield from a piece of rough. Chapter 11 – Gemstone Optics Explains the wave nature of light and how its interaction with matter produces colour, refraction, internal reflection, and luster. Chapter 12 – Gem Material Properties Explains the optical properties of gemstones (colour, refractive index, dispersion, saturation, colour change, birefringence, and pleochroism), as well as their physical characteristics (density, hardness, crystal structure, cleavage, and inclusions). Chapter 13 – Gemstone Treatments Explains the procedures and ethics of gemstone treatments, ranging from heat and radiation to oiling and exotic techniques. Chapter 14 – Common Gem Materials Easy to read tables of properties for the most common gemstone materials, with a focus on faceting-related information. Chapter 15 – Faceting on Your Computer Use your computer to maximize your enjoyment of faceting. Describes commercial and freeware gem design and optimization software, and includes a tutorial on three-dimensional rendering – literally cutting the gem inside your computer. Chapter 16 – Designing Your Own Gemstone Provides guidance on expressing your individual artistic urges via gemstone design, from simple modifications to existing cuts through creating your own, new, unique, gems. Chapter 17 – Establishing the Gem Outline Explains the CAM, OMNI, CLAM, and ECED pre-forming methods. Chapter 18 – Case Study: Designing the Briar Rose Chronicles the conception, development, and execution of a novel hexagonal cut, including hints on channeling inspiration into actual facets. Chapter 19 – New Gemstone Designs More than twenty new and unique gemstone designs for all skill levels. Chapter 20 – Do-It-Yourself Projects for the Frugal Faceter A collection of do-it-yourself projects, ranging from a better drip tank, to an inexpensive dichroscope, to adding a true digital angle encoder to your faceting machine. Index The two volumes of Amateur Gemstone Faceting comprise 20 chapters and almost 900 pages. The merged index helps you quickly find what you need.

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Amateur Gemstone Faceting Volume 2: Expanding Your Horizons, Paperback/Tom Herbst

Contributor(s): Author: Tom Herbst Note: This is Volume 2 of Amateur Gemstone Faceting, containing Chapters 10 to 20. To track down Volume 1, search for “Amateur Gemstone Faceting Volume 1: The Essentials.” Have you ever gazed in wonder at a faceted gemstone, at the ever-changing interplay of light, colour, and sparkle, and asked yourself how such a thing could come into being? Gemstones have been a source of fascination, mystery, and power for millennia, yet it is only in the last few decades that the tools and knowledge for creating these tiny miracles have been available to the average person. In this second volume, amateur faceter Tom Herbst helps you expand your faceting horizons. You will learn about the optics and mathematics behind the magic of gemstones. Subsequent chapters on the properties and treatment of common gem materials will help you identify and make the most of your valuable rough. To really expand your horizons, try faceting on your computer, visualizing gemstones before committing the stone to the lap. Nothing can match the satisfaction of creating and cutting your own unique gem cuts. Chapters on general design principles and a specific case study should help you on your way. Finally, faceters are inveterate tinkerers, and the concluding chapter lays out ideas for multiple do-it-yourself projects, including instructions for building a precision digital angle encoder for your faceting machine. Happy cutting, and may your horizons expand before you. Chapter 10 – Gemstone Mathematics and Geometry Introduces the essentials of trigonometry needed for faceting, including tangent ratio scaling. Discusses gemstone symmetry and maximizing yield from a piece of rough. Chapter 11 – Gemstone Optics Explains the wave nature of light and how its interaction with matter produces colour, refraction, internal reflection, and luster. Chapter 12 – Gem Material Properties Explains the optical properties of gemstones (colour, refractive index, dispersion, saturation, colour change, birefringence, and pleochroism), as well as their physical characteristics (density, hardness, crystal structure, cleavage, and inclusions). Chapter 13 – Gemstone Treatments Explains the procedures and ethics of gemstone treatments, ranging from heat and radiation to oiling and exotic techniques. Chapter 14 – Common Gem Materials Easy to read tables of properties for the most common gemstone materials, with a focus on faceting-related information. Chapter 15 – Faceting on Your Computer Use your computer to maximize your enjoyment of faceting. Describes commercial and freeware gem design and optimization software, and includes a tutorial on three-dimensional rendering – literally cutting the gem inside your computer. Chapter 16 – Designing Your Own Gemstone Provides guidance on expressing your individual artistic urges via gemstone design, from simple modifications to existing cuts through creating your own, new, unique, gems. Chapter 17 – Establishing the Gem Outline Explains the CAM, OMNI, CLAM, and ECED pre-forming methods. Chapter 18 – Case Study: Designing the Briar Rose Chronicles the conception, development, and execution of a novel hexagonal cut, including hints on channeling inspiration into actual facets. Chapter 19 – New Gemstone Designs More than twenty new and unique gemstone designs for all skill levels. Chapter 20 – Do-It-Yourself Projects for the Frugal Faceter A collection of do-it-yourself projects, ranging from a better drip tank, to an inexpensive dichroscope, to adding a true digital angle encoder to your faceting machine. Index The two volumes of Amateur Gemstone Faceting comprise 20 chapters and almost 900 pages. The merged index helps you quickly find what you need.

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Plata produselor

Pentru plata produselor comandate, dupa ce ati dat click pe “adauga in cos” aveti la dispozitie urmatoarele posibilitati de plata:

-plata cu card bancar debit sau credit intr-un mediu securizat 3DSecure prin procesatorul de plati electronice EuPlatesc.ro. Nu se percepe nici un comision.

-in sistem ramburs (marfa trimisa va fi platita in momentul primirii coletului)
Plate se efectueaza la ridicarea coletului, in oficiul postal sau la curier. Valoarea taxelor de expediere se adauga la valoarea rambursului;

-prin OP pe baza unei facturi proforme eliberata

-plata in rate la una din bancile partenere:

Alpha Bank – optiune 2-12 rate fara dobanda;

BRD Finance – optiune 1, 3, 4, 5, 6rate fara dobanda;

Banca Transilvania – optiune 2, 3 ,4 rate fara dobanda;

First Bank – optiune 2-9 rate fara dobanda;

Garanti Bank – optiune 2-6 rate fara dobanda.

Livrare

Produsele comandate se livreaza in toata tara, utilizând modalitatea si termenul de livrare alese de dumneavoastra la efectuarea comenzii. Coletul cu produsele pe care le-ati ales poate fi expediat prin curierat rapid. Coletele se expediaza prin Urgent-Cargus sau nemo Express.

Termenul de livrare este de 24 h-48 h (din momentul expedierii) in mod exceptional pot exista intarzieri de cateva zile cauzate de motive care tin exclusiv de firmele de curierat, taxa este 18.95 lei/colet cu exceptia promotiilor cand beneficiati de transport gratuit la anumite sume minime de achizitii. Pretul este final si include taxa de ramburs.

Nu se percep KM suplimentari, livrarea la pretul fix de 18.95 ron este disponibila pe intreg teritoriul tarii. Desi nu garantam acest lucru, incercam sa expediem majoritatea comenzilor plasate pana la ora 14:00 in aceeasi zi de luni pana vineri iar comenzile primite dupa ora 14 in urmatoarea zi lucratoare.

Intarzieri in expedierea comenzilor pot aparea atunci cand acestea nu sunt confirmate de catre client, nu sunt suficiente produse pe stoc sau capacitatea de procesare nu este suficienta datorita unui volum neasteptat de mare de comenzi.

Pentru livrările efectuate prin servicii de curierat, termenele de livrare pot fi depășite în funcție de încărcarea curierilor parteneri in perioada COVID-19 sau sarbatori precum Black Friday, Sărbători de Crăciun, Revelion, de Paște, 1 Iunie, 1 Decembrie, 1 Martie, 8 Martie etc.

Retur produs Amateur Gemstone Faceting Volume 2: Expanding Your Horizons, Paperback/Tom Herbst

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