The show is not over! Check out the last page of my Tucson show report that has more great Tucson Show crystal photos and also a report on my digging for petrified wood in Holbrook, Payson Diamonds in Payson, a horrifically bad road leading to the Planet mine to collect chrysocolla, and more. There is even pictures of Pork! Just CLICK HERE to check out the last page of the 2019 show report, or if you landed on this page and haven't been along for the ride from the start then you may wish to start on page one using the navigation bar below. You are on page 6 - the Finch Mine. |
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The upper left photo was taken in the field and shows a freshly liberated cluster of reddish-orange wulfenite crystals that have a thin cryptocrystalline chalcedony coating and have a black druse coated matrix. Since this photo was taken in the field the specimen is dirty and hasn't been washed or rinsed off. The upper right photo shows the dirt road below the Finch Mine. Jeff Lennox is seen prying specimens of chrysocolla from the veins at the base of the hill on the lower road just past the mine entrance. Oddly enough, while there was marked deposits of vividly colored blue and green chrysocolla near the lower road, none was seen up at the mine. I'm not too schooled on this type of deposit since I grew up on the opposite side of the country but with my limited experience it seems that the chrysocolla occurs mostly on the periphery of the deposits. I could, of course, be totally wrong about that. I have never dug for nor collected wulfenite crystals so I was excited about the trip to the Finch mine after seeing pictures of what could be found there. The dirt road leading from Hayden to the mine started off really steep but was graded fairly well aside from a few washes. The mine road itself was a different story as it immediately started out as a series of very sharp steep switch-backs. I had brought my new Tacoma TRD PRO loaded with tools, and with its long wheel-base I didn't relish the thought of negotiating the impossibly sharp switch-backs. Luckily, Jeff won the rental car lottery Jackpot and ended up with a 4x4 Jeep Wrangler. The turns were so sharp that even in that we had to back up a few times. The road was NARROW as well, and two places had washed out with just enough room to get by them. The mine is located way up the ridge and is probably over 200 feet higher than the road below. We had both agreed ahead of time that if it started to rain we would pack up and leave immediately, as the two narrow places would be exceedingly dangerous if the road became slick or muddy even a little bit. |
Each year when I go to the Tucson show I always go out and do some digging. This year I went to the Finch Mine in Hayden, Arizona and a few other places. Although I am going out of order a little bit, I will start with the Finch Mine. The Finch Mine has Wulfenite crystals that vary in color. These range from the typical "Butterscotch" color to Tan, pure yellow, red and orange. The clarity of the crystals varies from a gemmy transparent to completely opaque. The wulfenite crystals sometimes are completely to partially covered with a sparkling cryptocrystalline chalcedony druze. Sometimes vividly colored wulfenite crystals grow on a sharply contrasting black druse and in bright lighting these are phenomenal. The wulfenite crystals - the ones that are not covered and reinforced with a chalcedony coating - are very delicate, fragile and brittle. It is very hard to get the uncoated wulfenite crystal specimens out without damage and chipping/breakage. The thicker the coating the more resistant the wulfenite is to damage but the problem with that is that the wulfenite is harder to distinguish as the coating thickness increases. |
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2019 Tucson Gem Show Report Updated March 02, 2019 5:10 PM Eastern You are on Page six - The Finch Mine. |
After figuring out where the mine was located we spent a couple of hours looking for wulfenite. I wasted a lot of energy breaking rocks with no joy. Then I found a place that had fantastic wulfenite crystals! The terrain here is steep and cactus of every kind seemed to be spaced about every four inches apart! Here (at left) is the digging area and as you can see, sharp angry cactus was everywhere. In the distance just up the hill was a saguaro that must have been 25 foot tall. Swinging a sledge hammer with cactus poking me from all directions will not be something that I soon forget! The elevation at the mine is about 2,400 feet, so not too bad, but not the 500 feet oxygen level that I am used to. |
At right is very gemmy transparent yellow wulfenite crystals without any chalcedony coating on them. This specimen also has clear colorless to white acicular micro-crystals of some kind that can only barely be seen with the naked eye but that look astounding with a 10x loupe. Since the wulfenite crystals looked fragile I was afraid to even rinse it off with water. This was probably a wise move on my part, because later when I looked at it with a loupe I noticed the micro-minerals. It's doubtfull that they would have survived being rinsed. Despite the specimen never having been cleaned or even rinsed, I think it looks really nice as it is. |
As the day progessed Jeff and I took turns swinging a 16 pound sledge hammer. At times the rock would break fortuitously, yielding small vugs lined with wulfenite crystals. All in all, once we figured out where the crystals were, we were able to get many nice specimens in short order! Swinging a sledge hammer is not for everyone though. I don't want to give the impression that these were "easy" to find. |
Expand above 2x to see the micro-crystals. I think the acicular clear crystals are selenite? |
At left is seen a nice specimen of Finch Mine wulfenite crystals. This specimen is still dirty and will look fantastic once cleaned. These have a very thin chalcedony coating. |
Below is wulfenite crystals with a heavy coating of chalcedony. This also has a whitish mineral that I believe is selenite (gypsum). |
Below: Freshly-dug dirty wulfenite crystals from the Fine Mine in Hayden, Arizona. This is a front and back view of the same specimen. The appearance varies between the two sides, with one side having a black druse coating. |
One mighty blow from the sledge hammer happened to have been particularly well placed. A large section of rock (shown below) broke off yielding a sizeable vug lined with wulfenite crystals. This section was so large and nice that I didn't even notice the smaller piece (that is shown above) which was laying in the hole!! I suppose the large specimen induced a form of tunnel vision. |
Below left: Heavy chalcedony over wulfenite crystals. Below right.: Light chalcedony coating on yellow wulfenite crystals on a sparkling black druze matrix. |
Prospective visitors to the Finch Mine would do well to stay at the General Kearney Inn. It's a no-frills kind of place but reasonably clean and 10 miles from the mine. While staying there I had taken some pictures of the cactus to send to my daughter. I'll share them here because it's the exact same types of cactus found at the Finch Mine. |