strontianite – מילון אנגלי-עברי
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Strontianite
Strontianite (
SrCO3) is an important raw material for the extraction of
strontium. It is a rare
carbonate mineral and one of only a few strontium minerals. It is a member of the aragonite group.
strontianite
Noun
1. a mineral consisting of strontium carbonate
(hypernym) mineral
(substance-meronym) strontium, Sr, atomic number 38
Strontianite
(n.)
Strontium carbonate, a mineral of a white, greenish, or yellowish color, usually occurring in fibrous massive forms, but sometimes in prismatic crystals.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
Strontianite
General Information: Chemical Formula:SrCO3
Composition:(Molecular Weight = 147.63 gm)
Strontium 59.35 %
SrCarbon 8.14 %
C Oxygen 32.51 %
O Empirical Formula: Sr(CO3)
Locality:Strontian (Scotland).
Name Origin:Named after its containing the element Strontium.
Physical Properties: Cleavage:[110] Good
Color:colorless, greenish, gray, gray white, or yellowish.
Density:3.78
Diaphaniety:Transparent to translucent
Habits:Pseudo Hexagonal - Crystals show a hexagonal outline., Columnar - Forms columns, Massive - Granular - Common texture observed in granite and other igneous rock.
Hardness:3.5 - Copper Penny
Luminescence:None.
Luster:Vitreous (Glassy)
Streak:white
More details...
STRONTIANITE
STRONZIANITE