AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Heulandite-Ca on Quartz-Opal var. Siliceous Sinter |
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DESCRIPTION: | No. 48730 |
Mineral: | Heulandite-Ca on Quartz-Opal var. Siliceous Sinter |
Locality: | Swan Creek, Parrsboro, Nova Scotia, Canada |
Description: | Elongated plate formation of siliceous sinter, a fine grained layered silica deposited in a geyser that may be composed of quartz, opal, or both. The rounded forms are coated with yellow-brown quartz and colorless heulandite crystals to 1.5 mm. |
Overall Size: | 6.5x4x1.5 cm |
Crystals: | micro to 1.5 mm |
Archived: | For reference only |
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