Atomic Minerals - Law Dictionary Search Results
norium
Swedish chemist Swanberg in zircon After many unsuccessful attempts to verify this new element the element named Hafnium atomic number 72 was discoverd in 1923 by D Coster and G von Hevesey in the zirconium containing mineral … von Hevesey in the zirconium containing mineral zircon Hafnium present at 1 to 5 in many zirconium bearing minerals but difficult to separate from zirconium is probably the element that gave rise to the properties attributed to
Chromium
A comparatively rare element occurring most abundantly in the mineral chromite Atomic weight 525 Symbol Cr When isolated it is a hard brittle grayish white metal fusible with difficulty Its … A comparatively rare element occurring most abundantly in the mineral chromite Atomic weight 525 Symbol Cr When isolated it is a hard brittle grayish white metal fusible with
Radium
intensely radioactive metallic element found combined in minute quantities in pitchblende and various other uranium minerals Symbol Ra atomic weight 2264 Radium was discovered by M and Mme Curie of Paris who in 1902 separated compounds of
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Scandium
spectrum analysis in certain rare Scandinavian minerals euxenite and gadolinite It has not yet been isolated Symbol Sc Atomic weight 44
Silicon
Silicon is characteristically the element of the mineral kingdom as carbon is of the organic world Symbol Si Atomic weight 28 Called also silicium … next to oxygen the most abundant element of the earths crust Silicon is characteristically the element of the mineral kingdom as carbon is of the organic world Symbol Si Atomic weight 28 Called also silicium
Bismuth
candle It is found in a native state and as a constituent of some minerals Specific gravity 98 Atomic weight 2075 Symbol Bi
Potassium
always combined as in the chloride sulphate carbonate or silicate in the minerals sylvite kainite orthoclase muscovite etc Atomic weight 390 Symbol K Kalium
Columbium
the vanadium group first found in a variety of the mineral columbite occurring in Connecticut probably at Haddam Atomic weight 942 Symbol Cb or Nb Now more commonly called niobium … A rare element of the vanadium group first found in a variety of the mineral columbite occurring in Connecticut probably at Haddam Atomic weight 942 Symbol Cb or Nb Now more commonly called
Cerium
A rare metallic element occurring in the minerals cerite allanite monazite etc Symbol Ce Atomic weight 1415 It resembles iron in color and luster but is soft and both malleable and ductile It
Carbon
An elementary substance not metallic in its nature which is present in all organic compounds Atomic weight 1197 Symbol C it is combustible and forms the base of lampblack and charcoal and enters largely … 1197 Symbol C it is combustible and forms the base of lampblack and charcoal and enters largely into mineral coals In its pure crystallized state it constitutes the diamond the hardest of known substances occuring in monometric
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