TUCSON 2000

The "official" Tucson site is http://www.tucsonshowguide.com
which is the online version of the "Colored Stoneīs" printed Tucson Show Guide, here you will find the most shows and exhibitors listed with links to the websites of the show promotors and of the exhibitors.

I will be in Tucson this year again in my

Room 203 in the Best Western Executive Inn
333 West Drachman Street
Tucson, AZ 85705
(520) 791-7551

This upstairs in the lobby building. If you take the right at the frontdesk and then go upstairs you will stumble automaticaly in my room. Set up day will be Thursday January 27 th 2000 and most will be ready by Friday noon. Last day of the show for me is Saturday February 12 th 2000.

Here some impressions from my room last year

stuff waiting in my storage for the airfreight

What will I have ?

Lab growns

Of course the "usual suspects" like bismuth crystals. Unfortunately not to much, so come early. I hope I will have sufficent supply of bismuth eggs as they sold out the first day in Denver last year. As I concentrated on the bismuth eggs I could not make as much bismuth crystals as usual for this year.

Also you will find some lab grown stuff like copper sulfate, alum, ammonium magnesium sulfate. Due to the fact that I was pretty sold out after Munich and during the cold winter time the growth is no very efficient I donīt have to much. But there are some flats of old stock which will go away for a discounted price.

Plastic

Plastic boxes and mineral stands as well as my "famous" tripod egg/sphere stands are available in quantity - sorry mineral stick is still not in stock.

Minerals

I will again have some nice malachite and cornetite from the Congo. From my friend Manfred Schwarz (Saxony) some minerals from Romania (everything must go !!!!), stibnite at low prices in flats, and some new stuff about which I dont know yet exactly.

NEW RARE SYSTEMATIC MINERALS !

For the first time Tucson I will have a vast supply of rare and unusual systematic minerals from my friend

Gunnar Faerber
Bornsche Str. 9
39326 Samswegen / Germany

phone +49(0)39202-61193 ** fax +49(0)39202-66892

He will be in Tucson in my room and if he is successfull will probably have his own room by 2001. He has minerals from :

Chile
Brasil
USA
Canada
Sweden
Germany
Kamchatka(Russia)
Hawaii

some highlights are :

Arhbarite (the worlds best !)

Sphere shaped crystal clusters of arhbarit (1 -1.5 mm Ø)
from El Guanoco goldmine nearnear Taltal, Chile.

Iquiqueite

Bright yellow iquiqueite clusters (2 - 3 mm Ø)
on nitratine from Salar de Miraje, Chile.

Here some snapshots of specimens offered on other shows...

Lesukite
Piypite
Ponomaraveite
Lyonsite

There are many more you may request a complete list by fax or we will put it online soon...
And here it is ! Gunnars Price List of Minerals !
(sorry if some names seem funny...)

NEW ! CREATED OPAL FROM RUSSIA !

Last but not least I will have cut and rough man made opal from Russia. As the material was distributed in smal quantities by different middleman on the various shows. I managed now to work out a deal with the original manufacturers themselfs and can show (and sell of course) you a small selection of fine cut and rough stones in various colors, qualitys and sizes. The material is comparable to Gilson man made black opal but only at a fraction of the cost

CERTIFICATE OF QUALITY

PRECIOUS SYNTHETIC OPAL

(black and white)

Chemical Composition

Water Content

Moh’s Hardness

Content of carbon in black varieties
(Crystal specters of carbon are similar to those of natural opal)

Specific weight

Porosity

Play-of-Color

Transparency

Brightness

Macrostructure (pattern of color specter)

Microstructure

SiO2 • nH2O

2-3%

5-5,5

up to 1,5%


2,00-2,2

1,5-3%

Entire specter

Matt and semi-transparent

Bright and moderate various and similar to natural (opalescent, mosaic, flashes of color, etc.)

Regular

The precious synthetic opal is similar to a variety of natural Australian precious opal by its physical and chemical properties as well as by its jeweler’s qualities.

(sent in by my contact)

Some pictures of cut cabochons. Honestly thatīs not Australian but Russian !

Prices I donīt know yet exactly. Probably after Tucson there will be a list online.....

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