MINERALS

PSILOMELANE through SCAPOLITE

PSILOMELANE, M-535. Dark
gray metallic, impalpable, globular or botryoidal, some showing concentric
banding structures. 


PYRITE, M-540. Flambeau mine, Wisconsin.
Massive, medium to fine grained. From the orebody at the
Flambeau mine.  (Buy for location, not typical pyrite)

PYRITE, M-540A. Mexico or Peru.
Metallic massive to coarse crystalline. Nearly pure with no
or very little associated mineral or rock. 

PYRITE, M-540B. Peru. Masses
displaying some crystals. 


PYRITE, M-540C. Peru. Crystal
groups. Bright. Crystals from 5 to 25 mm. Often larger. 

  Even better of this size sometimes available.

Inquire for pricing of larger samples. 

 

PYRITE Cubes.  Spain.  From around 1 cm to 4 or 5cm cubed.  

Depends on size available.  We also have some cube in matrix specimens.  Inquire.

 

PYROXENE, see under AUGITE, DIOPSIDE,
HEDENBERGITE, JOHANNSENITE, SPODUMENE


QUARTZ, M-545. Arkansas or Brazil. Clear to
translucent, terminated single crystals. Imperfections such as chipping and
indentations, but all sides and faces present.  

QUARTZ (AGATE), M-545A. California
or Nevada. Various colors. Some with banding. 

QUARTZ (AMETHYST), M-545B/545-C. 
Uruguay or Brazil. Good purple crystals clustered rock, usually on sections

geode walls.  Light to dark purple crystals. 


QUARTZ (CHERT), M-545D. 
Gray with some red or
brown streaks.


QUARTZ (FLINT), M-545E. England.
Dark gray to brownish masses. 

QUARTZ (JASPER), M-545F. 
California. Red and mottled red-brown or
yellow. 

QUARTZ (MILKY), M-545G. 
California. Milky white vitreous masses.

QUARTZ (ROSE QUARTZ), M-545H.

 South Dakota or Brazil. Pink sub-transparent
to translucent vitreous masses.  


QUARTZ (SILICIFIED OR PETRIFIED WOOD)
M-545I. Various localities. Gray
to red or brown, usually showing wood
texture. 

QUARTZ (PLASMA),
M-545J. 
Nevada. 'Plasma' is green chert.
Cryptocrystalline green masses.   Check.


QUARTZ-AGATE GEODE,
M- 545K. $.50 
Brazil. Geode halves - cut and polished on cut edge, aprox. 1/2 to 1 inch across.

 

QUARTZ (MASSIVE CLEAR), M-545L.  California,

Colombia, or Brazil.  Clearish vitreous masses.  C

REALGAR,
M-550. Nevada.
Bright red masses usually on or with a
little rock and/or orpiment. 


RHODONITE, M-555.
Peru or Colorado.
Pink, fine to medium grained, black Mn oxide streaked and stained
masses. Check for availability.

SALT, see under HALITE

SCAPOLITE,
M-560. White to light gray, showing
cleavage. (Check for availability)


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