- History of the gemstone
Fluorspar and
Beryllium prospects and Mining developments.
First discoveries and
early day rock hounding at the Brush Wellman Beryllium Mines.
Permanent closure to
collecting and the discovery of new deposits.
- Geologic History
Ocean waters and sea floor
sediments.
Continental
build-up and occurrences of rich mineral concentrations.
Geothermal venting
of gases - especially of Manganese and fluorine
Super volcano
erupts
Tremendous amounts
of volcanic ash proceeded by Rhyolite lava flows covering most
of it shortly after.
Tiffany Stone: The origins and formation of it
silica
compositions
- Stone Qualities
Composition and
description
A silica and/or
calcium carbonate base predominately of opalite, and agate
(chalcedony), but not excluding jasper, quartzite, and dolomite.
Purples caused by fluorine gases and blacks form manganese
oxide. Patterns are diverse and different form piece to
piece with seldom any two stones exactly the same.
Dendrites, plumes, crackly patterns, smooth ice creams, wild
flows and laces occur and some times variable mixes of these
happen in Tiffany stone. Hardness is variable with some
too soft to cut, buy usually come in ranges form 5.5to 8.0 -
about 7 on average form most cutt8ing grade stone.
QUALITY
Some of the Tiffany Stone from the Brush beryllium mines has
very nice color in the nodules, some of the best material, to be
true, has come from those pits. What is found in good cutting
material is stable and usually hard- dominantly consisting of
opalite or agates. If of dolomites, dominant or partial, then it
needs to have taken on a solid marble or cherty form to be good
for cutting. The greatest challenge in the mining and collecting
is getting hard and stable pieces- the next is finding good
color and pattern.
Those who may have good rough- bought or traded- will never
know this unless they collected it if first hand. What they
have has already had the fracture-easy ones taken out of it or
those pieces never came out of the mines. Some who originally
collected Tiffany Stone failed to make the distinction (or they
salvaged it anyway), so some junky material is still out there
along with the good material.
Along with good, still many pieces from the Brush Mines are
very fracture-easy or soft and crack into shards or crumble like
unstable crazed opal- even when the colors/patterns are
excellent. One already experienced in cutting the material may
not have known or believed this if they started out with good
solid pieces from the beginning. What makes so many pieces
unstable is that they are composed of solidified/ opalized
volcanic ash. If there was just a little silica bonding the ash
together, then it soon falls apart with some light hammer
tapping. Also, if the silica is minimal (or the ash too much-
take your pick), then leaving it out side to weather will break
it down. Eventually many end up breaking in a number of places
as opalite often does, and the unbroken parts is what most
lapidaryists have then resorted to cut. Cabochons with just a
little silica can be very fragile and end up broken if not
handled carefully (don't drop them either on hard
surfaces!). To avoid this from being the case, as best as
possible I try to targeted out pieces rich in silica or
otherwise very solid and stable so it is nearly all good for
cutting and carving with out the worry of it breaking so easily.
OCCURRENCE
Unless people have mined or collected this material themselves
(mostly older rock hounds) , they will never know the challenge
of getting a very fine piece. Finding solid pieces and ones with
good color is one challenge, but the frequency of its occurrence
and how much is another. Besides there being only one geologic
location know for the gem, it should also be know that the only
place it comes in piles is in an already collected stash. Hardly
is there ever one gem just sitting on top of another and there is
certainly no solid wall of it to just eat away. Most of it found
at random in soft volcanic ash as nodules or in pieces found
along semi layer-like zones between the ancient lime-stone
formations and softer ash. Once in a while a seam of Tiffany
stone (mostly agate or jasper) is found intermixed or running
trough a dolomite (hardened limestone) layer, but because it is
in solid rock, it is much more difficult to extract. Only a few
out of many pieces found will be
good enough to pass as a gem stone. In my own mining experience,
I get a good piece out of every five or six pieces found or I
cut off the good piece from an otherwise ugly rock- the stuff we
call Junk.
Most of the material from the new developments is very similar
or identical to the Brush material- if one can ever tell- though
some is darker purple in color, more agatized, and comes in
patterns or forms of swirls, lacing, crackled breccia effects,
or intermixed variations of them all. Not as much has the creamy
pastel texture like as some of the Brush may have, at least for
the time being. While the colors and texture, I have no doubt,
will improve as I dig deeper down, what I do offer at any rate
is certainly fine and solid cutting material and I like keeping
it that way.
THE BRUSH BERYLLIUM MINES CLOSURE ON COLLECTING
Brush Wellman closed collecting for many reasons. The scare that
Berylliosis might be possible was hardly a main cause. Brush has
never faced a real case of getting the disease from the ore in
its 45 years of mining as pure beryllium metal, with causes the
disease, only comes from the Ohio plant where it is refined.
Beryllium by itself is too reactive to be found by itself in
nature- even if it came off as rock dust from a saw. It takes a
three fold chemical process to get Beryllium in its pure form.
Actually, those concerns hardly came into play as to what
actually lead to the ban on collecting. Most of it was about
liability of injuries (or possible injuries) from those who went
out collecting. Safety standards and regulations was the issue
Brush had to deal with along with liabilities for injuries or
death. The material around the pits was soft and gave way easily
(and still does), and to rumor, some have died of the pits walls
collapsing or avalanching on top of
them. This was the number one issue- safety had to be enforced
or liability was all too imminent. Depleting and messing up
their stockpiles and strewing the roads and paths with littered
rocks were other serious issues. Keeping the place orderly was
necessary for loader trucks to travel in, and those with untidy
hay-day collecting habits made the place a wreck many times
over. Also, at the rate that some came to collect, they made a
supposedly significant dent on many of the stock piles. Brush has
no focus on the rocks for lapidary purposes, and has no
intention to sell them. The company's only focus is using the
ore to crush up for extracting out the Beryllium. They know that
the rocks have the least beryllium in them and that the soft
volcanic ash has the most in it, but they don't want to take time
to separate, put aside or sort any of it as it takes extra time
and otherwise interrupts digging and loading operations.
Salvaging rocks was a distraction to costly
operations and as Brush never saw a dime for all the sales of
rock that came out of there, it became a cost to them far
greater than any benefits they saw out of it. The rock was
banned from collecting and rock hounds ( the public) were to stay
out. The final clamp happened some where in the early 1990's.
Had some one been thinking right some years ago and made the
right business venture, this may not have become the case, but
too late. After the closure, many have offered large sums of
money or business proposals (including myself) to be allowed to
collect and dig for all they can find out there, but Brush has
refused them all. To them it has become a firm resolve, the
matters too far weighed out against it, and it has become a
bitter and stagnant issue that Brush has no intent to bring up
again. Some have gone out any way and guards have let them go,
but when discovered by the corporate members, they were fired.
Latest report is that Brush will arrest and prosecute
those found collecting there and they now have a stronger guards
on duty out there at all times.
Upon my own resolve, when disallowed to further collect, I
concluded that no long-term business could be made by dodging
guards for a few rocks and risking a long term reputation should
they choose to prosecute. Studying geology and the occurrence of
Tiffany Stone, I went out and made my own significant
discoveries. I have nothing hanging over my head now and am glad
I made that choice. Since the new discovery for gem quality
material was made in 2004, the commencing developments led to the
discovery of even more deposits. Finding everything possible to
develop has lead to the making of 4 claims. Their names are not
listed here in specific but are called as a whole the Spore
Mountain Lavender Mines.
GENERAL DESCRIPTION
The purple color comes from volcanic fluorine gases that got
trapped in layers of silica-rich sediments- of which makes the
formation opalized, agatized, and/or with jaspers, cherts, and
dolomite and some times all mixed together. A volcanic eruption
that happened near by spewed and churned some of this fluorine
saturated sediment- making nodules- mixing in or coating the
outside and making wild patterns and swirls in some of them. The
sediments and volcanic ash were also rich in many other minerals
including Manganese (manganese oxide makes the black color)
Bertrandite -a beryllium silicate- and other trace minerals/
elements including zinc, copper, lead, iron, rhodonite, calcite,
cobalt, magnesium and nickel (and many other trace minerals and
elements). Because of the formation and random concentrates of
minerals, this stone has rich diversity, each one a bit
different. It is a highly praised, rare and very unique
gemstone. Pieces come in all sizes ( some rare find
have reached a few hundred pounds) but mostly they come in
gold-ball to base-ball sizes. The larger, the less common it is
to find.
For color, the best is of course its bright to royal dark purple
colors, but pinks, oranges, reds, whites, blacks,
chalcedony-clear, and even some times greens are had. When it
has splashes, swirls, streams, lacing, crackles, dendrites,
plumes, etc. its all the better. Generally, the more colors and
patterns, the better the stone. Brilliant or contrasting colors
are beautiful too, but if it is going to be a homogeneous color,
it is almost always best to have it purple to one degree or
another.