- anorthoclase. It
occurs in
granitic and
pegmatite m****es (often as the
variety cleavelandite), in some
hydrothermal vein deposits, and
forms part of the typical...
- m****ive quartz. This zone is also rich in muscovite, microcline, and
cleavelandite. A
spectacular quartz and lath-spodumene zone. The
spodumene occurs...
-
Elbaite with
quartz and
lepidolite on
cleavelandite...
-
facies metamorphic rocks, and in
pegmatite ****s,
often as the
variety cleavelandite and ****ociated with
rarer minerals like
tourmaline and beryl. The intermediate...
- 20 to 35 feet. This zone is also rich in muscovite, microcline, and
cleavelandite. A
spectacular quartz and lath-spodumene zone. This zone is typically...
-
hexagonal beryl (var: morganite)
crystals sit atop a
matrix of off-white
albite (var
cleavelandite)
crystals with
quartz and
minor muscovite and schorl...
- N38 30.676 / W106 39.995) is also a po****r
source for blue beryl,
cleavelandite,
black tourmaline, and pink lepidolite. In 1898, the
Cortland Mine in...