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Helvine Group

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Formula:
M
 
4
Be
 
3
(SiO
 
4
)
 
3
S


Group of metal-Be-S-silicates with the above general formula, where M = divalent Fe, Mn or Zn.
May be considered a subgroup of the Sodalite Group.

Classification of Helvine Group

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Chemical Properties of Helvine Group

Formula:
M
 
4
Be
 
3
(SiO
 
4
)
 
3
S

Relationship of Helvine Group to other Species

Group Members:
Danalite
Fe
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
Helvine
Mn
2+
4
(Be
 
3
Si
 
3
O
 
12
)S

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Helvine Group

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  • Find Helvine Group on www.crystalclassics.co.uk
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  • Localities for Helvine Group

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