WHEN MOUNT ST HELENS ERUPTED IN
MAY OF 1980, IT DRASTICALLY CHANGED THE LANDSCAPE OVER MAJOR PARTS OF
THREE STATES. MILLIONS OF ACRES OF FORESTS AND FARMLAND, TOWNS AND
CITIES WERE SUDDENLY COVERED IN A GREY PUMICE-LIKE ASH. COMMUNITIES
WERE OVERWHELMED BY WHAT SEEMED LIKE THE IMPOSSIBLE. WHAT DO WE DO
WITH ALL THIS ASH????
HOWEVER EVEN AS THE CLEANUP WAS
GETTING UNDERWAY, SOME PEOPLE WERE BEGINNING TO SEE THE BENEFITS OF
THIS NATURAL DISASTER. FARMERS AND GARDENERS TILLED THE ASH INTO THEIR
FIELDS AND GARDENS, PROVIDING RICH NUTRIENTS FOR THE SOIL. ARTISTS AND
POTTERS BEGAN EXPERIMENTING WITH A NEW MEDIUM FOR THEIR CRAFT. YET, IT
WAS THE EMPLOYEES OF A LOCAL LOGGING COMPANY WHO DISCOVERED HOW TRULY
UNIQUE THE ASH WAS.
AS IT HAPPENS, THE WEYERHAEUSER
COMPANY WAS HARVESTING TIMBER IN THE SPIRIT LAKE AREA AT THE TIME OF
THE ERUPTION. ALL OF THEIR HEAVY EQUIPMENT WAS LOST TO THE POWERFUL
MUD FLOW THAT FOLLOWED, AND WEYERHAEUSER SENT IN A SPECIAL CREW WITHIN
DAYS OF THE BLAST TO SALVAGE THE EXPENSIVE EQUIPMENT. AS THEY USED
ACETYLENE TORCHES TO REMOVE THE ENGINES, THEY NOTICED THAT THE UGLY
GREY ASH WAS MELTING AND TURNING A GREENISH COLOR. THAT IS BECAUSE THE
GREY SUBSTANCE WASN'T ASH AT ALL, BUT PULVERIZED VOLCANIC ROCK THAT IS
RICH WITH SILICA, ALUMINUM AND IRON, AS WELL AS TRACES OF OTHER METALS
INCLUDING CHROMIUM AND COPPER. WHAT FOLLOWED WAS THE CREATION OF THE
BEAUTIFUL GEM-LIKE STONE YOU SEE BEFORE YOU. THE FIRST STONES TO BE
PRODUCED FROM THIS ROCK DUST WERE A YELLOW-GREEN COLOR MUCH LIKE THE
VOLCANIC OLIVINE THAT IS FOUND IN HAWAII.
STONES THAT ARE CREATED TODAY
COME FROM THE MATERIAL BLOWN OUT OF THE SECOND ERUPTION IN 1981.
COLORS OF THE STONES MAY VARY BECAUSE OF THE MINERAL TRACE ELEMENTS IN
THE ROCK DUST. THE HARDNESS OF EMERALD OBSIDIANITE IS BETWEEN 5.5 AND
6 ON THE MOHS SCALE OF 10, AND WEARS MUCH LIKE AN AMETHYST OR CITRINE.
IT IS PERFECTLY SAFE TO CLEAN THESE LOVELY STONES IN AN ULTRASONIC
CLEANER OR OTHER JEWELRY CLEANING SOLUTIONS.
