mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

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 marialite, millosevichite, montesommaite, mottramite, and natroalunite and more from places like Monte Somma, Vesuvius, Campania, Italy, Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy, Volcano Island, Lipari, Eolie Islands, Messina Prov., Sicily, Italy, and Vulcano Island, Sicily, Italy.

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
SOLD
Millosevichite - PD50068
Millosevichite - PD50068

Millosevichite

#PD50068
Locality
Volcano Island, Lipari, Eolie Islands, Messina Prov., Sicily, Italy 
Formula
Al2(SO4)3 
Availability
Sold
Size
3.5 x 1 x 1 cm - Miniature 
Special Info
Type Locality 

Small vial of crumbly white crystalline Millosevichite.


Millosevichite

Formula
Al2(SO4)3 
Crystal System
Trigonal 
Color
red, clear red, brick red 
Streak
red 
Class
Trigonal - Rhombohedral 
Hardness
1.5 
Collection
Don Phillips Collection
Special Info
Type Locality

Montesommaite

#PD48071
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy 
Formula
K9(Si23Al9)O64·10H2
Availability
Sold
Size
1 x 1 x 1 cm - Thumbnail 
Special Info
Type Locality 

Colorless, prismatic crystals to 1mm in vug of a small piece. Montesommaite is a zeolite.


Montesommaite

Formula
K9(Si23Al9)O64·10H2
Crystal System
Orthorhombic 
Crystal Habit
Pyramidal 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Orthorhombic - Pyramidal 
Hardness
Collection
Don Phillips Collection
Special Info
Type Locality
SOLD
Mottramite - PD48078
Mottramite - PD48078

Mottramite

#PD48078
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy 
Formula
PbCuVO4(OH) 
Availability
Sold
Size
6 x 5 x 5 cm - Sm Cabinet 
Tagged
copper , vanadium  

Greenish yellow of Mottramite in thin crusts on lava. This occurence was once reported by Prof. Archangelo Scacchi, an Itallian mineralogist best known for his work on Vesuvius. The name "vesbine" was originally given to this mineral at Vesuvius, since it was thought to contain a new element called "vesbine"


Mottramite

Formula
PbCuVO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Plumose, Radial, Encrustations 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
brown, brown red, brownish black, green, dark green 
Streak
light brownish green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Collection
Don Phillips Collection
SOLD
Natroalunite - PD48087
Natroalunite - PD48087

Natroalunite

with Tamarugite - #PD48087
Locality
Vulcano Island, Sicily, Italy 
Formula
NaAl3(SO4)2(OH)6 
Availability
Sold
Size
4 x 3 x 2.5 cm - Miniature 

White, grungy Natroalunite with very micro less than 0.2mm colorless plates of Tamarugite.


Natroalunite

Formula
NaAl3(SO4)2(OH)6 
Crystal System
Trigonal 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
white, grayish, yellowish, reddish, brownish 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Don Phillips Collection

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map