Search results

1. Dakota Mahogany Whetstone

   ... including tartan ( microcline ), Carlsbad , and albite . Grain boundaries range from smooth curving to substantially ...

   Raven Mueller - 2015-08-12

2. Mottled Gray-Black

   ... with a maximum dimension of .16 mm, most are smaller. Albite twinning is visible in a few feldspar grains. Various species of ...

   Raven Mueller - 2015-08-12

3. Greene County

   ... are a variety of feldspar twinning patterns including albite , tartan ( microcline ), and Carlsbad . In one case a pegmatic ...

   Raven Mueller - 2015-08-12

4. Dakota Mahogany Brown Velvet

   ... includes Carlsbad , tartan ( microcline ), and albite . Grain boundaries range from smooth curving to substantially ...

   Raven Mueller - 2015-08-12

5. Eureka

   ... were only definitively identified in a few instances where albite or Carlsbad twinning was observable. Rare aggregates of mica , ...

   Ed FitzGerald - 2015-09-05

6. Heathermoor

   ... with a maximum dimension of .25 mm, most are smaller. Albite twinning is visible in a few feldspar grains. Various species of ...

   Raven Mueller - 2015-08-12

7. Dakota Mahogany Sunset

   ... including tartan ( microcline ), Carlsbad , and albite . Grain boundaries range from smooth curving to substantially ...

   Raven Mueller - 2015-08-12

8. Nor-Carla Bluestone

   ... The principal minerals are quartz, orthoclase , albite or oligoclase, sericite , and chlorite ; epidote, pyrrhotite, ...

   Raven Mueller - 2015-08-12

9. Royal Danby

   ... Most are likely quartz, but several instances with albite or Carlsbad twinning were noted. Other accessory minerals are ...

   Raven Mueller - 2015-09-05

10. Portland Brownstone

    ... and schists of Connecticut's adjacent Eastern Highlands. Albite cements the sand grains. Brownstone was commonly face-bedded—that ...

    Matt Pailes - 2015-08-24

Pages