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0 item @ $0.00  

Type Locality Minerals

Thursday, 28 February 2013 05:00 PM

This is our second Edition of minerals named after their locality.

Annabergite

#PD30983
Locality
Annaberg, Saxony, Germany 
Formula
Ni3(AsO4)2·8H2
Availability
Sold
Size
7 x 4 x 3 cm - Sm Cabinet 
Tagged
arsenate  
Special Info
Type Locality 

Older specimen from the Hugh Ford and Carlton Davis collection - see Prov. tab. Not the most appealing Annabergite I have ever seen, but it type locality.  The piece is heavy which indicates it is composed of Nickeline. Although Nickeline is not listed on Mindat. Could be with arsenic.


Annabergite

Formula
Ni3(AsO4)2·8H2
Crystal System
Monoclinic 
Crystal Habit
Earthy, Encrustations, Massive 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
apple green, greenish white, gray, yellow green, white 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
Collection
Phillips Collection
Special Info
Type Locality

Attikaite

#PD35386
Locality
Laurium, Attika, Greece 
Formula
Ca3Cu2Al2(AsO4)4(OH)4·2H2
Availability
Sold
Size
2 x 1.5 x 1 cm - Thumbnail 
Tagged
arsenate , copper  

Light green spherulitic crystals less than 1mm covering an area of about 4x3mm. Associated with Serpierite(?).


Attikaite

Formula
Ca3Cu2Al2(AsO4)4(OH)4·2H2
Crystal System
Orthorhombic 
Crystal Habit
Encrustations 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
light blue, greenish blue 
Streak
pale blue 
Class
Orthorhombic 
Fracture
Flexible 
Hardness
2-2.5 
Collection
Phillips Collection
SOLD
Bambollaite - PD35376
Bambollaite - PD35376

Bambollaite

#PD35376
Locality
Bambollita mine, Moctezuma, Sonora, Mexico 
Formula
CuSe2 
Availability
Sold
Size
3 x 1.5 x 0.6 cm - Thumbnail 
Special Info
Type Locality 

Dull grey metallic patches in matrix. Coverage on both sides. Identification is probable but not confirmed.


Bambollaite

Formula
CuSe2 
Crystal System
Tetragonal 
Luster
Metallic 
Color
brownish gray, gray 
Class
Tetragonal - Ditetragonal Dipyramidal 
Hardness
Collection
Phillips Collection
Special Info
Type Locality
SOLD
Bikitaite - PD35364
Bikitaite - PD35364

Bikitaite

#PD35364
Locality
Bikita Pegmatite, Masvingo dist., Zimbabwe 
Formula
LiAlSi2O6·H2
Availability
Sold
Size
3 x 2 x 1.5 cm - Thumbnail 
Special Info
Type Locality 

Colorless long bladed crystals flat on matrix to about 5mm. Bikitaite is a very rare lithium silicate found at only three localities worldwide - all pegmatites.


Bikitaite

Formula
LiAlSi2O6·H2
Crystal System
Triclinic 
Crystal Habit
Aggregates 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Triclinic - Pedial 
Fracture
Conchoidal 
Hardness
Collection
Phillips Collection
Special Info
Type Locality
Mineralpedia
View Bikitaite
On Dakota Matrix
Previously Sold Bikitaite
On Dakota Matrix
Other Available Bikitaite
WebMineral
View Bikitaite
Mindat
View Bikitaite
SOLD
Felsobanyaite - PD35431
Felsobanyaite - PD35431

Felsobanyaite

#PD35431
Locality
Felsobanya, Baia Mare, Maramures Co., Romania 
Formula
Al4(SO4)(OH)10·4H2
Availability
Sold
Size
0.6 x 0.4 x 0.3 cm - Thumbnail 
Special Info
Type Locality 

White earthy "veinlets" to 1mm. Dinky piece.


Felsobanyaite

Formula
Al4(SO4)(OH)10·4H2
Crystal System
Hexagonal 
Crystal Habit
Globular, Radial, Aggregates 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous - Pearly 
Color
colorless, yellow, white 
Class
Hexagonal 
Hardness
1.5 
Collection
Phillips Collection
Special Info
Type Locality

Franklinite

#PD35424
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
ZnFe3+2O4 
Availability
Sold
Size
8 x 7 x 4 cm - Sm Cabinet 
Special Info
Type Locality 

Entire mass of black Franklin composed of a "conglomeration" of octahedral crystals the largest to 2cm.


Franklinite

Formula
ZnFe3+2O4 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive, Crystalline - Fine 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
black, brownish black 
Streak
reddish brown 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
5.5-6 
Collection
Phillips Collection
Special Info
Type Locality

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