METAMORPHIC
ROCKS
MARBLE through SCHIST
DOLOMITIC MARBLE, ME-35G.
California. Fine to medium grained, gray to
nearly white.
PINK MARBLE, ME-35H. Georgia.
Medium grain, salmon color. Some with gray streaking.
DOLOMITIC MARBLE, ME-35I.
California. Sugary, fine grain, hard, pink to
brownish, reddish.
MARBLE, ME-35J.
Utah. Sparkling white sugary grain with penetrating
red to brown iron oxide veinlets.
METACONGLOMERATE, ME-40.
California. Foliated, white to green lenticular 3-
5 mm pebbles in dark, brownish matrix.
Surfaces parallel to the foliation show silvery
greenish phyllitic aspect.
METAQUARTZITE, ME-45.
White and pink color from different locations. Inquire.
MYLONITE, ME-50. California. Gray,
fine grain groundmass. Angular to rounded
white feldspar to I cm and occasional
hornblende to 5 mm. Check, some few pieces available.
PHYLLITE, ME-55. Nevada. Silvery
gray.
Click Here to see the location
QUARTZITE, see METAQUARTZITE
SCHIST, ME-60. California. Silvery
gray, medium grain, abundant muscovite with
albite and quartz.
GREENSCHIST, ME-60A. California.
Green, medium grain. Chlorite, muscovite,
albite and quartz.
GLAUCOPHANE SCHIST, ME-60B. out
of stock
GARNETIFEROUS MICA SCHIST, ME-60C.
South Dakota. 1-2 mm euhedral red
garnets in gray, fine flake muscovite schist.
Staurolites up to 1 cm may be present.
GLAUCOPHANE SCHIST, ME-60D.
California. Check.
GLAUCOPHANE SCHIST, ME-60F. out
of stock
California. New item added to stock as catalog
goes to web site. No thin section data at this
time. Appears to be mainly silvery-white
muscovite flakes with dark bluish, acicular fine
grain glaucophane. Some scattered 2 mm
garnets. Class pack of 20 - $10.
TOURMALINE-MUSCOVITE SCHIST, ME-60E.
South Dakota. 1-5 mm black
tourmaline prisms in muscovite and quartz
schist.
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