Simkev Micromounts Mineral List
 
Minerals - M

 

Name Location Description Number
MAGNETITE     French Creek, Pennsylvania, USA Very sharp lustrous black octahedral crystals with sage green Actinolite +/- Hematite, Pyrite, Chalcopyrite. (E) $6.00 340
MAGNETITE 
 
  
French Creek, Pennsylvania, USA Very sharp lustrous black octahedral crystals with sage green Actinolite +/- Hematite, Pyrite, Chalcopyrite.        A) 3.2 x 2.1 cm;  C) 3.2 x 2.0 cm    $8.00 each. 50340

MALACHITE

Block 14 Opencut, Broken Hill, New South Wales

Very, very fine pieces with sprays of pearly green acicular crystals in vugs in matrix +/- Cerussite. The matrix has very fine vitreous orangey-brown garnet dodecahedra.  (E)  $7.00

807

MALACHITE    
Star of Congo Mine, Shaba, Katanga Province, Democratic Republic of the Congo Larger matrix pieces of this different habit - brilliant,  highly lustrous thin elongated crystals almost lath-like on black matrix in 3.8 x 3.2 x 3.0 cm box.  $7.00    50951
MANGANVESUVIANITE
N'Chwaning II Mine, Kalahari manganese field, South Africa Only 8 pieces available. Groups and masses of lustrous deep red to maroon to almost black prismatic crystals on matrix. Mineral is extremely brittle and some peripheral crystals are damaged. However the central crystals are superb  (see Photo page - each specimen individually photographed)  $8.00 965
MANSFIELDITE 
Perseverancia Mine, Guanaco Mining District near Taltal, Chile Very fine examples of this rare arsenate as colourless to  light blue highly lustrous crystal groups on Quartz points. (E) $6.00 728
MANSFIELDITE 
Perseverancia Mine, Guanaco Mining District near Taltal, Chile Very fine examples of this rare arsenate as colourless to  light blue highly lustrous crystal groups on Quartz points in 3.8 x 3.2 x 3.0 cm box.  $8.00 50728
MILLERITE      
Predellara Quarry, Tosca, Varsi, Italy Larger matrix pieces. B) 3.0 x 1.5 cm: C)2.5 x 2.2cm; D) 2.7 x 2.2 cm; E) 2.5 x 1.9 cm: F) 2.1 x 1.7 cm; G) 2.3 x 2.0 cm   $7.00  50001
MIMETITE/
MALACHITE
 

 
Tsumeb, Namibia
 
Fine pieces with yellow-green Mimetite crystals +/- Malachite sprays and colourless Calcite. (N, E) $6.00 968

MIMETITE

Kintore Opencut, Broken Hill, New South Wales, Australia

Bright lemon yellow crystals against silvery-black Coronadite.
A) 2.8 x 2.6cm     B) 2.32 x 1.5cm    $8.00 each

50822

MIMETITE

Mount Bonnie Mine, Northern Territory, Australia

Superb lustrous sharp euhedral pinkish-beige hexagonal tabular crystals on matrix.  The "centres" are highly lustrous and colourless.  (E)  $7.00

813

MIMETITE       
Rouez, Sarthe, France Fine lustrous pale honey coloured thick tabular hexagonal crystals with transparent centre and a darker translucent rim.  (E)  $6.00   274
MIMETITE
 
El Potosi, Santa Eulalia, Mexico
 
Fine adamantine colourless to yellow terminated hexagonal prismatic crystal groups.   (N) - $6.00 731
MOCTEZUMITE
La Bambolla Mine, Moctezuma, Sonora, Mexico Type locality! A very rare mineral which forms mainly as "slickensides" on Quartz matrix. All specimens have some crystallization. (E) $8.00; $10.00; $12.00 710
MOLYBDOFORNACITE 

Dulcinea Mine, Carrera Pinto, Chile Fine examples of this rare mineral as bright green to yellow-green thin tabular crystals on matrix +/- other Arsenates/Phosphates. (E) $12.00; $8.00 735
MONAZITE 
Diamantina, Ouro Prêto, Minas Gerais, Brazil Lustrous red-brown twinned crystals to 1.2 cm off  matrix.  (E)  $6.00; $8.00 708
MONTGOMERYITE Tip Top Mine, Custer County, South Dakota, USA Radial clusters and sprays of bladed prismatic crystals from almost colourless to shades of pink and red.  (E)  $8.00; $10.00 332
MOTTRAMITE

 
Tsumeb Mine, Tsumeb, Otijikoto Region, Namibia
 
Two only with lustrous botryoidal very dark green Mottramite with calcite.  2(E)  $7.00
 
982

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