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| | Rocks & Minerals: SOUTH DAKOTA Mineral Locality Index |
 | | T.2S., R.6E.; open cut in granitic pegmatite: albite (mined), amblygonite, beryl (mined, white crystals), columbite-tantalite. |
 | | granitic pegmatite: albite, amblygonite (mined 1, beryl (mined, white crystals), cassiterite, columbite, diopside(?), fluorapatite, frondelite-rockbridgeite, heterosite, hureaulite (microcrystals), kyanite(?), microcline (mined), mitridatite, muscovite (mined, large books), schorl, sicklerite, todorokite, triphylite, triplite(?). |
 | | 14, T.2S., R.6E.; open cut, adit with raise in granitic lithia pegmatite: albite (mined), amblygonite, arsenopyrite, beryl (mined, crystals), carbonate-fluorapatite, cassiterite, columbite-tantalite, elbaite* (pink and green crystalline masses), fluorapatite, lepidolite (coarse), ludlamite, microcline (mined), microlite, muscovite (mined), quartz, schorl, spodumene (mined), zircon (reddish-brown pyramidal crystals). |
| www.findarticles.com /p/articles/mi_m0GDX/is_3_75/ai_62214071/pg_6 (726 words) |
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