Tucson: The List

I don't think I've been this excited about a trip in a very long time - not even my Christmas trip home to Germany and France.  Going to Tucson is just different.  And expensive, lol.

I am slowly assembling a list of gems I want to look for.  Here is my progress.  Additional suggestions are welcome - if you have a specific order, let me know, suggestions are just that, I won't hold you to buying anything.  :)

Paraiba: Anything reasonable, but only from Brazil.  Melees.1-2mm rd.

Paraiba and Spinel

Emerald and Hauynite

Hauynite: 1-2mm round melee, maybe one larger piece (meaning 3mm or so).  They break easily so the investment is not a good one.

Burma Spinel: Melees and small baguette, there isn't likely to be anything larger that's good but I'll look.

Vietnamese Spinel: Matched pairs, elongated pear shape, lavender.  Maybe a color changer.  They also have pinks from Vietnam, nice color, no grey but less vibrant than Mahenge.  With Mahenges disappearing from the market, at least for the moment, I may buy though.

Vietnamese Cobalt Spinel: There isn't likely to be much, I heard there was little or no production.  But I will look.

Sapphire: Blue pairs, always. rich purple, color change, cool shapes.  Maybe stars (I could use thoughts on that, I'm iffy about whether I should buy).  Only no heat Ceylon of course, probably no other sapphire for me.  Melee - last year I got these nice lavender melees that I use a lot.  I will look for that seller, he also had the teal green rounds.

Purple Sapphire and Paraiba Tourmaline

Ruby: Maybe one or two pieces.  Madagascan has a nice blood red color.  So that's a thought.  Maybe a ruby star?

Aqua: Looking for nice baguette shapes.  At the moment aqua supply is low.  Prices have jumped up a bit.

Sphene: I'm totally out, but I will probably have to go for Sri Lankan stuff, which has more orange tones in it.

Tourmaline, other: not high on the list but if I see something nice I'm game.  Indicolite would be good.  Or a light seafoam color.  Afghani material.

Other: anything matched elongated pear (i.e. tourmaline).  Any other cool baguette shapes for my new pieces, larger ones for earrings.

What I'm not prioritizing: emerald (my supplier is in NY and last year nobody in Tucson had anything reasonable), Mahenge, Tsavorite, Mint and other Garnet (my supplier is also here).

There are three people I want to get to on the first day (tall order).  There is always a mad rush for the booths with more rare goods or good prices.  I remember one booth where I know the owner was over run.  You couldn't see anything.  Lucky for me that I knew them, so I put aside a small tray for myself and told them to do the invoice the end of the day.

Larger companies,like online retailers, often show up on the first day and buy a lot. They buy in big gobs and they seem to prefer to grab entire productions of something to corner the market.  That's what I saw in Tucson last year anyway.  Other companies send scouts, or hire gem buyers, to get them their goods.  So for certain things, there can be competition among buyers.  Other things seem to hang out the entire show and nobody buys them.  The trick is not to get caught up in the mad rush.

Vietnamese and Burma Spinel

Red Tourmaline

Again, let me know what, if anything, might be on the list.

Yvonne

Why Don’t All Gems Come in Any Cut?

I got the following question from two customers just this week: can I supply a matched pair of Merelani mint garnets, elongated pear shape.  The answer – and I don’t even have to look – is “no.”  (I actually did find one pair, so I was wrong, but you’ll see the astronomical price tag on my Etsy site!)

So why doesn’t any gem come in any cut?  The answer is really simple.  Gems are cut to maximize the rough.  Take, for instance, tourmaline rough, which is cylindrical and long.  That’s great for elongated pear shapes.  So is aqua and emerald sometimes (all three are beryl so the rough is very similar).  But most garnet rough is more roundish, pebble like.  That’s why it gets cut into ovals, some rounds, cushions, and anything else that accommodates that shape. 

Also, certain cuts bring out the beauty of the material, hence the famous “emerald” cut.  Emeralds are more sleepy than crisp, so an emerald cut, which has fewer facets, can bring out the color over the clarity.  Ceylon sapphires, by contrast, are usually cut into cushions and ovals, with step facets in the back.  Step cuts are bulkier but for Ceylon sapphires this is important because the color is sometimes just in the culet, and that cutting will create the illusion of an even tone when the gem is viewed from the front.  This explains the famous “zoning” that you can often see from the back (so it’s ok if you see it) but not the front (so it’s not ok if you see it).  Tourmalines that have watermelon coloring (pink inside, green at the rim) are often sliced or carved so that this effect is preserved.

Dravite Tourmaline Rough and Cut (Ovals are Best)

Diopside Rough

Some gems, i.e. amethyst, come in just about any shape.  That’s because amethyst is so cheap it can be bought by the kilo.  It then doesn’t matter how much you waste, most of the cost is in the cutting anyway.  The material is (nearly enough) free.  In other cases, i.e. tourmaline these days, the rough is very expensive.  And of course, when you buy and re-sell, your calculations are based on your cost.  If a customer wants you to do a special cut that wastes the material, your cost is still the same and so you will charge more for a smaller gem.

This also explains why despite what is commonly claimed, a retail customer does not necessarily lose out when she buys a stone that is cut to preserve weight.  Because if the seller marks up based on the cost of the rough, the buyer can get the most amount of weight – and hence value - out of her purchase.  Of course many sellers do not have a straightforward markup policy, they charge what the market will bear.   In that case the customer can lose out if she hasn’t looked at the prices of the gem she wants to buy (comparison shopping really pays in these cases).  That’s why it always pays for you as a customer to have some idea of the current market, of the most common cuts for gems, and for what is and isn’t possible based on the rough.  A few minutes of internet browsing of some of the common gem sites is usually enough to get a basic idea.

Burma Spinel Rough Crystal

Kyanite Rough, Just Shaved Around the Edges

Here are some of the most common cuts for popular gems:

Amethyst: cheap rough, any cut.
Alexandrite: elongated cushion, oval.  Round costs extra.
Aqua: any cut really, the rough is a nice size.
Citrine: cheap rough, any cut.
Emerald: Emerald cut and oval, some pears, rounds are at a premium.
Rhodolite garnet: any cut.
Ruby: Elongated cushions, ovals, then rounds (same as sapphire)
Sapphire: Elongated ushions, ovals, then rounds. Very few pears.  Step cuts for Ceylon.
Sphene: Ovals and Elongated cushions, then pears. Very few rounds.
Spinel: Cushion (square and elongated), oval, then round and pear.
Tanzanite: Lots of ovals and rounds, some cushions.  The rough is a bit bigger so more shapes are possible.
Tourmaline: Lots of longish cuts including emerald cut and pear shapes, not many rounds.
Tsavorite and Mint Garnet: Ovals, then all the other cuts.

A good rule of thumb is that oval is the cheapest and most common cut in most stones. Round is the most expensive.  

Watermelon Tourmaline Slices