FAYALITE

|
Western Shore, Lake Taupo, North Island,
New Zealand
|
Sharp euhedral black to dark brown
prismatic crystals with iridescent coatings in vugs in basalt +/- Biotite,
Sanidine. $7.00
Fe2+2SiO4
|
808
|
FLORENCITE-(Ce)

|
Amana, Papachacra, Belen Department, Catamarca, Argentina
|
New material - Tucson 2009. Fine examples
of a rare mineral! Tiny (30x) brick red to light tan to pale yellow
rhombohedral crystals on Microcline crystal(s) +/- Albite, Muscovite.
$12.00;
$10.00
CeAl3(PO4)2(OH,H2O)6 |
720
|
FLUELLITE

|
Tom's Phosphate Quarry, Kapunda, South
Mt. Lofty Ranges, Mt. Lofty Ranges, South Australia, Australia
|
Very fine pieces with highly lustrous
colourless crystals on matrix. $7.00
Al2(PO4)F2(OH).7H2O |
826
|
FORNACITE

|
Singer Mine, Goodspring District, Clark County, Nevada, USA
|
Some of the best examples of this mineral to appear ever. Seen as highly
lustrous, tiny prismatic translucent birefringent olive -green to light brown
crystals on matrix. $10.00
Pb2Cu(AsO4)(CrO4)(OH)
|
577
|
GALKHAITE
|
Getchell Mine, Adam Peak, Potosi
District, Humboldt County, Nevada, USA |
One only - A rare
item as silvery black rhombs in matrix. $10.00
(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12 |
358 |
GASPÉITE
 |
132 North Mine, Widgiemooltha, Western
Australia, Australia |
Concretions and
botryoids of bright green Gaspéite on massive Gaspéite. $12.00
(Ni,Mg,CaFe2+)CO3 |
870 |
GILALITE
 |
Christmas Mine, Banner District,
Dripping Spring Mountains, Gila County, Arizona, USA |
An Arizona rarity! Type locality!
Very fine pieces with bright apple green spherical and/or
botryoidal crystals on matrix +/- Linarite. $8.00
Cu2+3Si6O17.7H2O |
324 |
|
GISMONDINE |
Oak Grove Fork, Clackamas River
localities, Clackamas County, Oregon, USA |
Three only - Fine
pieces with radial group(s) of white crystals on lustrous colourless Chabazite
crystals in vugs in basalt.
$7.00
Ca4(Al8Si8O32).16H2O |
355 |
"GLAUCONITE" / CALCITE
|
St. Marie Quarry, Green Lake County,
Wisconsin, USA |
Unusual pieces! Concretions of
colourless to grey-green individual rice grain Calcite crystals. The
green coloration is due to inclusions of "Glauconite" which is also part of
the "cement" holding the pieces together. $7.00
CaCO3 |
337 |
|
GROSSULAR |
Jeffrey Mine, Asbestos, Shipton Township, Richmond County, Québec, Canada |
One only - Sharp very pale pink euhedral dodecahedral
crystals on matrix.
$7.00
Ca3Al2(SiO4)3 |
605 |