AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Heulandite-Ca on Quartz-Opal var. Siliceous Sinter

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Heulandite-Ca on Quartz-Opal var. Siliceous Sinter from Swan Creek, Parrsboro, Nova Scotia, Canada

 
Heulandite-Ca on Quartz-Opal var. Siliceous Sinter from Swan Creek, Parrsboro, Nova Scotia, Canada

Heulandite-Ca on Quartz-Opal var. Siliceous Sinter from Swan Creek, Parrsboro, Nova Scotia, Canada

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
Status: Sold - Posted here for reference only
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