See:alkali metal
The extent to which a material exhibits the property of yielding hydroxyl
ions in a water solution. See also:pH
A saline soil having 15% or more exchangeable sodium.
A bentonite containing easily replaceable alkali bases but having original
properties that are destroyed by acid treatment. Davis
A member of the paraffin series, such as methane, ethane, etc.
Pryor, 3
A member of the hydrocarbon group series (CnH2 n); e.g., ethylene,
propylene. Pryor, 3
A discredited term referring to a compound of lead, copper, bismuth, and
sulfur.
One of a group of organic compounds containing a carbon-to-carbon triple
bond; e.g., acetylene, allylene. Also spelled alkine.
McGraw-Hill, 1
A monoclinic mineral, Mn7 (AsO4 )2 (OH)8 ;
vitreous; resembles the axinites. Also spelled allaktit.
A heavy dull-red or green altered carbonated rhodonite. Syn:diaphorite
Fay
A monoclinic mineral, 2[(Ca,Y,Ce)2 (Fe,Al)3 O(OH)(Si2
O7 )(SiO4 )] ; epidote group; massive, pitchy, slightly
radioactive, and metamict; a minor accessory in felsic igneous rocks and
pegmatites. Formerly called orthite; cerine; bucklandite; treanorite.
Syn:yttro-orthite
A mineral, Ag1-x Sbx with x=0.09 to 0.16.
Former name for a variety of goethite.
A monoclinic mineral, Mn5 (SiO4 )2 (OH)2 ;
humite group; dimorphous with ribbeite; in skarns.
A mixture of stibarsen, SbAs , and arsenic or antimony.
Syn:arsenical antimony
A conical tank used in mineral flotation to separate sand from slime using
a float-controlled spigot on peripheral overflow.
See also:cone classifier
A horizontal, double-hearth furnace for calcining sulfide ores.
Fay
See:rectorite
See:aluminite
Said of minerals that have an odor of garlic when rubbed, scratched, or
heated; e.g., arsenical minerals.
a. See:safety clamp
b. Any of several types of machines for metalworking, rock crushing, etc.,
in which work is accomplished by two massive jaws, one or both of which
move as, e.g., alligator shears (preferably, lever shears) or an alligator
crusher (preferably, lever crusher). Henderson
c. A prolonged, steel hingelike device by means of which the abutting ends
of a flat drive belt can be fastened or laced together. Long