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Vesuvius & other Volcanic Minerals

Wednesday, 12 December 2018 04:00 PM

Introducing the "Vesuvius & other Volcanic Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including kalinite, kalsilite, kogarkoite, kuzelite, marialite and more from places like Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy, San Venanzo, Terni Province, Umbria, Italy, Vulcano Island, Sicily, Italy, Bellerberg volcano, Ettringen, Eifel, Rhineland-Palatinate, Germany, Monte Somma, Vesuvius, Campania, Italy.

SOLD
Kalinite - PD48073
Kalinite - PD48073

Kalinite

#PD48073
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy 
Formula
KAl(SO4)2·11H2
Availability
Sold
Size
4 x 0.6 x 0.6 cm - Miniature 

This mineral is listed with Lobley in "Mount Vesuvius" in 1889 and states that it is "not rare in the crater" and can crystallize in octahedrons, but is usually in fibrous crust. It was a valid mineral in the early days but Mindat states it is a "non-existent species" and may be discredited.


Kalinite

Formula
KAl(SO4)2·11H2
Crystal System
Monoclinic 
Crystal Habit
Fibrous, Water Soluble 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
Collection
Don Phillips Collection
Mineralpedia
View Kalinite
On Dakota Matrix
Previously Sold Kalinite
On Dakota Matrix
Other Available Kalinite
WebMineral
View Kalinite
Mindat
View Kalinite

Kalsilite

#PD48085
Locality
San Venanzo, Terni Province, Umbria, Italy 
Formula
KAlSiO4 
Availability
Sold
Size
9 x 5 x 3 cm - Sm Cabinet 

Thin, colorless, acicular crystals of Kalsilite, a felspathoid. The volcanic rock also contains Melilite, apatite, and Phlogopite. San Venanzo volcano is located about 272km (170mi) northwest of Vesuvius.


Kalsilite

Formula
KAlSiO4 
Crystal System
Trigonal 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous - Greasy 
Color
colorless, gray, gray white, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Don Phillips Collection
Mineralpedia
View Kalsilite
On Dakota Matrix
Previously Sold Kalsilite
On Dakota Matrix
Other Available Kalsilite
WebMineral
View Kalsilite
Mindat
View Kalsilite

Kogarkoite

#PD48088
Locality
Vulcano Island, Sicily, Italy 
Formula
Na3SO4
Availability
Sold
Size
6 x 4.5 x 3.5 cm - Sm Cabinet 

Light weight mass of chalky white, rare, Kogarkoite with slightly green Chalcanthite.


Kogarkoite

Formula
Na3SO4
Crystal System
Monoclinic 
Crystal Habit
Pseudo Hexagonal, Earthy, Encrustations 
Luster
Vitreous (Glassy) 
Color
colorless, white, light blue 
Streak
white 
Class
Monoclinic 
Hardness
3.5 
Collection
Don Phillips Collection
SOLD
Kuzelite - PD44595
Kuzelite - PD44595

Kuzelite

#PD44595
Locality
Bellerberg volcano, Ettringen, Eifel, Rhineland-Palatinate, Germany 
Formula
Ca4Al2(OH)12(SO4)·6H2
Availability
Sold
Size
0.7 x 0.6 x 0.4 cm - Thumbnail 

This is 6mm piece from the Bellerberg volcano with tiny 1mm, colorless, striated extremely nice crystal. Mindat reports only three localities worldwide. Rare.


Kuzelite

Formula
Ca4Al2(OH)12(SO4)·6H2
Crystal System
Trigonal 
Crystal Habit
Microscopic Crystals, Platy 
Luster
Vitreous (Glassy) 
Color
white 
Streak
white 
Class
Trigonal - Pyramidal 
Fracture
Uneven 
Hardness
1.5-2 
Collection
Don Phillips Collection
On Dakota Matrix
Previously Sold Kuzelite
On Dakota Matrix
Other Available Kuzelite
WebMineral
View Kuzelite
Mindat
View Kuzelite

Marialite

#PD48053
Locality
Monte Somma, Vesuvius, Campania, Italy 
Formula
(Na,Ca)4(Si,Al)12O24(Cl,CO3,SO4
Availability
Sold
Size
10 x 7 x 2.5 cm - Cabinet 

Several long, prismatic black crystals of Marialite (a scapolite) to over 1cm on layered black (carbonaceous?) matrix. It is a unique looking matrix for this locality/


Marialite

Formula
(Na,Ca)4(Si,Al)12O24(Cl,CO3,SO4
Crystal System
Tetragonal 
Cleavage
Distinct, Distinct, None 
Luster
Vitreous - Pearly 
Color
bluish, brownish, colorless, violet, greenish 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
5.5-6 
Collection
Don Phillips Collection
Mineralpedia
View Marialite
On Dakota Matrix
Previously Sold Marialite
On Dakota Matrix
Other Available Marialite
WebMineral
View Marialite
Mindat
View Marialite

Marialite

-Meionite - #PD48054
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy 
Formula
(Na,Ca)4(Si,Al)12O24(Cl,CO3,SO4
Availability
Sold
Size
9 x 9 x 5 cm - Sm Cabinet 
Special Info
Antique Specimen 

White, stubby, prismatic crystals to 2mm. Ex. Geological Institute, University of Amsterdam with label (see prov tab).


Marialite

Formula
(Na,Ca)4(Si,Al)12O24(Cl,CO3,SO4
Crystal System
Tetragonal 
Cleavage
Distinct, Distinct, None 
Luster
Vitreous - Pearly 
Color
bluish, brownish, colorless, violet, greenish 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
5.5-6 
Collection
Don Phillips Collection
Special Info
Antique Specimen
Mineralpedia
View Marialite
On Dakota Matrix
Previously Sold Marialite
On Dakota Matrix
Other Available Marialite
WebMineral
View Marialite
Mindat
View Marialite

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