Difference between revisions of "Scapolite"

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wernerite (former group name); marialite; meionite; sodalite; dipyre (now used for the marialite-rich variety); mizzonite (now used for the meionite-rich variety); escapolite (Port.)
 
wernerite (former group name); marialite; meionite; sodalite; dipyre (now used for the marialite-rich variety); mizzonite (now used for the meionite-rich variety); escapolite (Port.)
  
== Other Properties ==
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== Physical and Chemical Properties ==
  
Short, square prismatic crystals. Cleavage is distinct in two directions. Fluorescent.   
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* Short, square prismatic crystals.  
 
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* Cleavage is distinct in two directions.  
Streak = white.  Luster = vitreous.  Fracture = conchoidal to uneven.
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* Fluorescent.   
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* Streak = white.   
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* Luster = vitreous.   
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* Fracture = conchoidal to uneven.
  
 
{| class="wikitable"
 
{| class="wikitable"
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|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 2.3-2.8
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| 2.3-2.8 g/ml
 
|-
 
|-
 
! scope="row"| Refractive Index
 
! scope="row"| Refractive Index
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|}
 
|}
  
== Additional Information ==
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==Resources and Citations==
  
Mineralogy Database: [http://www.webmineral.com/data/Scapolite.shtml Scapolite]
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* Mineralogy Database: [http://www.webmineral.com/data/Scapolite.shtml Scapolite]
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Revision as of 12:42, 15 June 2022

Description

Any of several fluorescent silicates used as gemstones. Scapolites are transparent to translucent stones that occur in pastel shades of yellow, pink, lavender and cat's eye. Two types of scapolites are: marialite (sodium aluminosilicate), and meionite (calcium aluminosilicate). Scapolites are mined in Myanmar (formerly Burma), East Africa, Sweden (Kiruna), Australia (Queensland), Canada (Quebec, Ontario-yellow), the U.S. (New York, New Jersey, Pennsylvania) and Mexico (Oaxaca-white).

Synonyms and Related Terms

wernerite (former group name); marialite; meionite; sodalite; dipyre (now used for the marialite-rich variety); mizzonite (now used for the meionite-rich variety); escapolite (Port.)

Physical and Chemical Properties

  • Short, square prismatic crystals.
  • Cleavage is distinct in two directions.
  • Fluorescent.
  • Streak = white.
  • Luster = vitreous.
  • Fracture = conchoidal to uneven.
Mohs Hardness 5.0 - 6.0
Density 2.3-2.8 g/ml
Refractive Index 1.483 - 1.600

Resources and Citations

Retrieved from "https://cameo.mfa.org/index.php?title=Scapolite&oldid=88046"