-
mineral species being named:
Heulandite-Ca
Heulandite-Na
Heulandite-K
Heulandite-Sr
Heulandite-Ba (described in 2002).
Heulandite-Ca, the most
common of these...
- sodium. It
forms a
series with
heulandite: Clinoptilolite-Ca –
heulandite-Ca
solid solution series Clinoptilolite-K –
heulandite-K
solid solution series Clinoptilolite-Na...
-
Chains of T10O20
tetrahedra (T =
combined Si and Al)
Heulandite framework (HEU): clinoptilolite,
heulandite-series
Stilbite framework (STI): barrerite, stellerite...
-
Heptasartorite Herbertsmithite Hercynite Herderite Hermannjahnite Hessite Heulandite (series of zeolites)
Hexaferrum Hiärneite
Hibonite Hidalgoite Hilgardite...
-
minerals such as datolite, calcite, apophyllite, stilbite, laumontite, and
heulandite in
veins and
cavities of
basaltic rocks,
sometimes in granites, syenites...
-
stilbite is
still used
whenever testing has not been performed. At one time
heulandite and
stilbite were
considered to be
identical minerals.
After they were...
-
rosettes of deep blue
azurite on a
field of
malachite Goosecr****ite with
heulandite-Ca on
quartz Intergrown botryoids of blue-green
rosasite inside the curve...
-
Erionite – (Na2,K2,Ca)2Al4Si14O36·15H2O
Chabazite – CaAl2Si4O12·6H2O
Heulandite – CaAl2Si7O18·6H2O
Stilbite – NaCa2Al5Si13O36·17H2O
Scolecite – CaAl2Si3O10·3H2O...
-
Cavansite Cavansite on
heulandite General Category Silicate mineral Formula (repeating unit) Ca(VO)Si4O10·4(H2O) IMA
symbol Cav
Crystal system Orthorhombic...
-
Image Description Common example(s)
Amygdaloidal Like
embedded almonds heulandite, stilbite,
zircon Hemimorphic Doubly terminated crystal with two differently...
