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In the unit cell of galena six square faces of equal size each form 90 degree angles with every adjacent face. What type of crystal system is this?
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What are crystal form and cleavage?
Crystals come in different shapes, determined by how the molecules of compounds from which they are made can be packed together. For instance a quarts crystal is hexagonal in shape, while galena and pyrites crystals are cubic. There are six different crystal shapes or forms determined by the axes and degree of symmetry of the crystal and the angles at which the axes intersect. Subordinate to the overall crystal shapes, many crystalline substances have within them planes of weakness along which the crystal may break these lines are related to the crystals symmetry and caused by how the molecules are aligned within the crystal. This is cleavage.
What are 4 minerals that have iron in their chemical formulas?
crystal galena hernatite lazurite
Can a mineral have the same crystal structure as another mineral?
Absolutely. For example, Galena and Halite.
The mineral halite is known as lead or table salt?
Halite is table salt. The cubic crystal "galena" is lead sulfide.
What does unprocessed gold from a mine look like?
Pieces of gold with silver inside of a vein of galena crystal, which is inside of a vein of Quartz crystal. The gold is usually in cubes and can vary from huge to microscopic.
Who invented cube shape?
The cube shape occurs naturally in nature (eg a crystal of Galena is cubic) thus the shape was not invented by anybody.
What does galena look like?
Galena crystals are cubic or octahedral and are in the isometric (cubic) crystal system.
Where is the Galena Public Library in Galena located?
The Galena Public Library is located at 601 S Bench St, Galena, Illinois.
Where is the Galena Archival Library in Galena located?
The address of the Galena Archival Library is: 204 W. 7Th Street, Galena, 66739 1211
Is Galena a rock or mineral?
Galena is a mineral.
What is the color of galena?
Galena is steel grey.
What is cleavage of Galena?
Galena's cleavage is cubic.
