AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Microcline (Manebach-Law Twinned) with Smoky Quartz |
DESCRIPTION: | No. 50332 |
Mineral: | Microcline (Manebach-Law Twinned) with Smoky Quartz |
Locality: | Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado |
Description: | Large cluster of blocky tan-colored microcline crystals to 45 mm with lustrous dark smoky quartz crystals to 30 mm. In the center is a microcline crystal twinned following the Manebach Law of feldspar twinning with easily identifiable twin plane. Ex. John Geiges collection #899, originally acquired from D. Bunk in 2004; ex. George White |
Overall Size: | 15x11x9 cm |
Crystals: | 10-45 mm |
Archived: | For reference only |
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