Difference between revisions of "Template:Fluorite"

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| Chemical composition || CaF<sub>2</sub>
 
| Chemical composition || CaF<sub>2</sub>
Calcium Fluoride
+
Calcium fluoride
 
|-
 
|-
 
| Crystal system || [[Crystals_&_Their_Structure#Cubic_Crystal_System | Cubic]]
 
| Crystal system || [[Crystals_&_Their_Structure#Cubic_Crystal_System | Cubic]]
 
|-
 
|-
| Habit || octahedral, cubes, interprenatrant twins
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| Habit || Octahedral, cubes, interpenetrant twins
 
|-
 
|-
| Cleavage || perfect, octahedral
+
| Cleavage || Perfect, octahedral
 
|-
 
|-
| Fracture || conchoidal
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| Fracture || Conchoidal
 
|-
 
|-
 
| Hardness || 4
 
| Hardness || 4
 
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|-
| Optic nature || isotrope
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| Optic nature || Isotropic
 
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|-
| Refaction index || 1.434  
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| Refractive index || 1.434  
 
|-  
 
|-  
| Birefringence || isotrope
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| Birefringence || Isotropic
 
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| Dispersion || very low, 0.007
+
| Dispersion || Very low, 0.007
 
|-  
 
|-  
 
| Specific gravity || 3.18
 
| Specific gravity || 3.18
 
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|-
| Lustre || poor vitreous
+
| Lustre || Poor vitreous
 
|-
 
|-
| Fluorescence || bluish-white, purple (LW)
+
| Fluorescence || Bluish-white, purple (LW)
 
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|}
 
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Latest revision as of 13:32, 23 December 2006

Fluorite
Chemical composition CaF2

Calcium fluoride

Crystal system Cubic
Habit Octahedral, cubes, interpenetrant twins
Cleavage Perfect, octahedral
Fracture Conchoidal
Hardness 4
Optic nature Isotropic
Refractive index 1.434
Birefringence Isotropic
Dispersion Very low, 0.007
Specific gravity 3.18
Lustre Poor vitreous
Fluorescence Bluish-white, purple (LW)