ACTINOLITE, M-5. California.
Green, bladed aggregates .
2 inch and 3 inch and larger available.
AGRELLITE, M-10. Canada. Pale
brownish silky to glassy lustered acicular
masses. Associated with eudialyte
or syenite rock. Exhibits a pronounced lilac color
under short wave ultraviolet light.
ALBITE, M-15. Canada.
White to gray plagioclase.
May display twinning striations.
Pieces may or may not exhibit pericline twinning
striae on adjacent cleavage face.
ALBITE var. PERISTERITE, M-15A.
Canada. Excellent cleavages exhibiting a
movable wavy or silky sheen in reflected
light. Described as CHATOYANT. Albite
twinning striae common but not guaranteed
unless requested. Check.
ALLANITE, M-20. Canada. SL
Typical platy crystal sections showing black, pitchy
luster on broken edges. Average 3 to 5 mm.
in thickness. Request pricing. on limited stock
AMAZONITE (AMAZONSTONE), see
AMBLYGONITE, M-25. California.
Shows cleavage. White to light gray. (See
also montebrasite). Request pricing on limited stock.
AMETHYST, see under QUARTZ.
AMPHIBOLE, see Tremolite, Glaucophane,
Anthophyllite, Hornblende, Actinolite,
ANALCITE, M-30. California.
Shiny, colorless 1 to 3 mm crystals lining cavities in
ANDALUSITE, M-35. California. Bautista Canyon.
Coarse crystalline aggregates/groups. Brown to pink/red.
Request price and check for availability.
ANDALUSITE, M-35A. California.
Variety CHIASTOLITE. Crystals averaging 3
to 5 mm in cross section and up to 25 mm
long in chiastolite slate. The crystals show
excellent cross patterns. Some currently available. Check for availability and price. SL
ANDESINE, M-40. California. Very
coarse crystalline (15-30 mm. cleavage
faces). light gray. showing some twinning
striae. Request price and availability. SL
ANDRADITE GARNET, M-45A.
Nevada. Medium grain, brownish red
crystalline masses. Occasional crystal face.,
and quartz. Check.
ANHYDRITE, M-50. Nevada.
White, medium to coarse textured masses. OUT
ANORTHITE, M-55. California.
White to light gray masses with pyroxene.
Check price and availability.
ANORTHOCLASE, M-60. Norway.
Coarse grained alkali syenite (laurvigite)
composed of 75-90% grayish alkali feldspar
grains showing bluish chatoyance with
minor mafic minerals. Some pieces will
probably show a polished side. Check price and availability. SL
ANTHOPHYLLITE, M-65. California
Coarse, straw colored to light brown bladed