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Justin K Prim
Justin K Prim

1.8K Followers

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Published in Justin K Prim

·Jan 13

Past Talks

Recounting all the lectures I’ve given Dec 5 2022 — San Diego Mineral & Gem Society, San Diego, CA Nov 30, 2022 — Gemological Institute of America (GIA), Carlsbad, CA November 3, 2022 — SF Gem and Mineral Society, San Francisco, CA November 1, 2022 — Columbia Willamette Faceters Guild, Portland, OR October 22, 2022 —…

3 min read

Past Talks
Past Talks

3 min read


Published in Justin K Prim

·Dec 27, 2022

Tucson After-Party Guide 2023

A guide to all the evening and extra events at the Tucson Gem Show 2023 by Justin K Prim — Friday January 27 Day: Tucson Fine Mineral Gallery- talks and events throughout the week — Schedule Here Sunday January 29 Day: NAJA Conference— Register Here Monday January 30 Day: AGTA Show begins Day: Faceting Demo — UArizona Alfie Norville Gem & Mineral Museum Evening : Gemology Worldwide Party —Marriot Starr Pass — RSVP Here

Tucson

2 min read

Tucson After-Party Guide 2023
Tucson After-Party Guide 2023
Tucson

2 min read


Published in Justin K Prim

·Apr 20, 2022

The History of London’s Lapidaries

by Justin K Prim — The history of London’s gem and jewellery trade has always been a story of three parallel narratives: those of the goldsmiths, the coloured-stone lapidaries and the diamond cutters. Although one would be hard-pressed to find a diamond cutter in modern London, and coloured-stone cutters have become exceedingly scarce, these three…

History

55 min read

The History of London’s Lapidaries
The History of London’s Lapidaries
History

55 min read


Published in Justin K Prim

·Mar 26, 2022

“I want to buy a cheap or used faceting machine”

The official guide. — There are several ways to cut a gemstone but all of them require some sort of tool. The faceting machine is essential for any would-be gemcutter. Many people want to learn to facet stones but stumble when it comes to purchasing their machine because the entry barrier for faceting is…

Gemstone

6 min read

“I want to buy a cheap or used faceting machine”
“I want to buy a cheap or used faceting machine”
Gemstone

6 min read


Published in Justin K Prim

·Oct 20, 2021

How to Get Your Mind Blown by H.P. Lovecraft and Alan Moore in 7 Epic Steps

Last year, I went down a Lovecraft rabbit hole where I was thinking and living in a Lovecraftian world for a few months. The guide that I am writing for these stories comes from that experience. The immersive way that I did it was extremely powerful and in my opinion…

Hp Lovecraft

8 min read

How to Get Your Mind Blown by H.P. Lovecraft and Alan Moore in 7 Epic Steps
How to Get Your Mind Blown by H.P. Lovecraft and Alan Moore in 7 Epic Steps
Hp Lovecraft

8 min read


Published in Justin K Prim

·May 9, 2021

The Art and Joy of Recutting Gemstones

A Chinese translation of this article was originally published in Jewelry World Vol. 92, November 2019 Over the past few years, the demand for well-cut gemstones has increased dramatically. Due to the large amount of commercial-quality material whose original cut was solely meant to retain weight as opposed to maximizing…

Gem

4 min read

The Art and Joy of Recutting Gemstones
The Art and Joy of Recutting Gemstones
Gem

4 min read


Published in Justin K Prim

·May 9, 2021

A Colored Gemstone Buyers Guide to Cut Styles

Originally published in the GAA Journal V27 No3 January-June 2020 Once upon a time, buyers of colored stones were solely focused on color and size but in the 21st century, gemstone and jewelry customers are becoming more aware of the effect of the cut on colored stones. Gemstone grading laboratories…

Gemstone

13 min read

A Colored Gemstone Buyers Guide to Cut Styles
A Colored Gemstone Buyers Guide to Cut Styles
Gemstone

13 min read


Published in Justin K Prim

·May 9, 2021

Human Perception and the Color of Gemstones

Originall published in GAMMA The ICA | GemLab Journal — Volume 1 Issue 2 Do you remember a few years back, there was a viral phenomenon going around the internet that involved a dress with a color that no one could agree about? Some people said the dress was blue…

Colors

8 min read

Human Perception and the Color of Gemstones
Human Perception and the Color of Gemstones
Colors

8 min read


Published in Justin K Prim

·May 8, 2021

I Dream of Being a Gemcutter

How to make your professional dream a reality. — When I first discovered gemstones and the gem trade, the first thing that came into my mind was “how do they cut these tiny stones?” This question led me to discover the lapidary club system and caused me to spend two years riding my bike to the local club almost…

Learning

11 min read

I Dream of Being a Gemcutter
I Dream of Being a Gemcutter
Learning

11 min read


Published in Justin K Prim

·May 1, 2021

The Wave Decay Sonotorium

Constructing an Octophonic Sound Environment — In August of 2016, I teamed up with Scottish artist Katie Anderson to build an immersive sound installation inside a ruined Victorian mansion in Southern Scotland. We got a few grants to help us fund the project and spent a few months getting permission from the owners, planning it, and…

Art

10 min read

The Wave Decay Sonotorium
The Wave Decay Sonotorium
Art

10 min read

Justin K Prim

Justin K Prim

1.8K Followers

Gentleman Lapidary | Author | Faceting Instructor | Chronicler of Gemcutting History

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