anglesite – מילון אנגלי-אנגלי

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Anglesite

Anglesite is a lead sulfate mineral with the chemical formula PbSO₄. It occurs as an oxidation product of primary lead sulfide ore, galena. Anglesite occurs as prismatic orthorhombic crystals and earthy masses, and is isomorphous with barite and celestine. It contains 74% of lead by mass and therefore has a high specific gravity of 6.3. Color is white or gray with pale yellow streaks. It may be dark gray if impure.

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Babylon Italian-English

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anglesite

nm. anglesite (mineral)

Webster's Revised Unabridged Dictionary (1913)

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Anglesite

(n.)
A native sulphate of lead. It occurs in white or yellowish transparent, prismatic crystals.

Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About

Mineralogy Database

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Anglesite

General Information:

Chemical Formula:
PbSO4

Composition:
(Molecular Weight = 303.26 gm)
Lead 68.32 % Pb
Sulfur 10.57 % S
Oxygen 21.10 % O

Empirical Formula:
Pb(SO4)

Environment:
Secondary, weathered deposits of lead ore.

Locality:
Tsumeb, Southwest Africa.

Name Origin:
Named after the island of Anglesey (Wales, Great Britain).
Physical Properties:

Cleavage:
[001] Good, [210] Distinct

Color:
blue, colorless, green, gray, or yellow.

Density:
6.3

Diaphaniety:
Transparent to translucent

Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).,

Hardness:
2.5-3 - Finger Nail-Calcite

Luminescence:
None.

Luster:
Adamantine

Streak:
white
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Dizionario inglese-italiano 1.0.012

הורד מילון בבילון 9 למחשב שלך

ANGLESITE

anglesite – מילון אנגלי-עברי

anglesite – מילון אנגלי-אנגלי