PROMETHIUM - PROMION
A RADIOACTIVE SOFT SILVER-GREY
SYNTHETIC RADIOACTIVE METAL
DENSITY
         @ 25°C  =   7.264 gcc

HARDNESS
IN DURONS  =   3,181 dur
MELTING POINT
TEMPERATURE   =   1,042°C

BOILING  POINT
TEMPERATURE   =   3,000°C

PROMION IS NORMALLY A MIXTURE OF TWO ISOTOPES
PRODUCED BY THE THE FISSION OF URANION,
OR FOUND AS PROMION CLORIDES IN URANION ORES,
MINED IN TEXAS, ARIZONA & NEW MEXICO,USA
WHEN SEPARATED FROM THEIR HOST CLORIDES,
THE TWO TOGETHER, NORMALLY LAST ABOUT 3.7 YEARS
ON EARTH AND 3 TO 4 MONTHS IN OUTER SPACE.
PROMION HAS BEEN USED AS A SOURCE OF ENERGY
IN SPACE PROBES AND SATELLITE SYSTEMS,
BECAUSE IT GIVES OF A CONSTANT 6 VOLTS.
IN EACH CASE THE SPACE BATTERYS FAILED
AFTER SEVERAL MONTHS,
THOUGH,IN TESTS ON EARTH THE SAME BATTERYS
HAD LASTED SOME 3.7 YEARS
PROMION'S VERY COLORFUL SALTS
HAVE PROVED TO BE VERY CANCER CAUSING,
WHEN USED AS SCIENTIFIC TRACERS
IN MEN OLDER THAN 57 & IN WOMEN OLDER THAN 72
AND FOR ALL ORIENTAL &  NEGRO PERSONS, AT ANY AGE
TAN COLORED PROMION SALTS HAVE WORKED
SUCCESFULLY IN EYE GLASS LENSES
HOWEVER, ROSE & GREEN COLORED PROMION COMPOUNDS
HAVE CAUSED VISION PROBLEMS FOR THEIR USERS
SOURCES
PURE PROMION & PROMION COMPOUNDS ARE AVAILABLE
FROM THE UNITED STATES, ATOMIC ENERGY COMMISSION.
FOR USE IN SPACE RELATED BATTERY POWERED SYSTEMS
OR FOR MEDICAL RESEARCH AUTHORIZED BY
THE SURGEON GENERAL'S OFFICE
COSTS
PROMION COSTS ABOUT $68 A GRAM OR $1,945 AN OUNCE
.