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- Availability
- Available
- Price
- $45.00
- Locality
- Wilmington, Essex Co., New York, United States
- Formula
- Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8
- Size
- 6.5 x 5 x 3.5 cm - Sm Cabinet
Dark greenish greay large crystal grains to 2cm showing good striations, a key to the identification of plagioclase as opposed to orthoclase. This Labradorite does not exhibit a colorful schiller effect.
- Availability
- Available
- Price
- $45.00
- Locality
- Copiapo, Atacama, Chile
- Formula
- AgHgAsS3
- Size
- 2.5 x 1.5 x 1 cm - Thumbnail
- Tagged
- sulfide, silver
Red areas are the Laffitte spots. Although not reported from Chile, the specimen has a Sid Williams (trimmed) label. Sid most likely analyzed it.
- Availability
- Available
- Price
- $195.00
- Locality
- Crastu Muradu, Osilo, Sassari, Sardinia, Italy
- Formula
- Ca(Si4Al2)O12·4H2O
- Size
- 6.5 x 4 x 4.5 cm - Sm Cabinet
Beautiful radiating groups of Laumontite measuring 8mm at the largest. There are five good sprays.
- Availability
- Available
- Price
- $30.00
- Locality
- Palermo mine, Groton, Grafton Co., New Hampshire, United States
- Formula
- MgAl2(PO4)2(OH)2
- Size
- 8 x 4 x 3 cm - Sm Cabinet
- Tagged
- phosphate, pegmatite mineral
Dark blue crystal grains of Lazulite to 3mm.
- Availability
- Sold
- Locality
- Mont Saint-Hilaire, Montérégie, Québec, Canada
- Formula
- Na2CaZr2Si10O26·5-6H2O
- Size
- 1.7 x 1 x 1.5 cm - Thumbnail
- Special Info
- Type Locality
Radial groups to 4mm wide.
- Availability
- Sold
- Locality
- Harding mine, Taos Co., New Mexico, United States
- Formula
- K(Li,Al)3(Si,Al)4O10(F,OH)2
- Size
- 7 x 6 x 4.5 cm - Sm Cabinet
Pretty purple "books" of Lepidolite to 7mm in Quartz matrix.