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Afwillite : Ca3[HSiO4]2 · 2H2O | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Doug Merson photo and collection. |
| © DM06 | Photo ID: 59049 View Count: 416 |
Afwillite : Ca3[HSiO4]2 · 2H2O | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA White Afwillite crust Size: 5 x 2,5 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 92664 View Count: 244 |
Allanite-(Ce) : {CaCe}{Al2Fe2+}[O|OH|SiO4|Si2O7], Diopside : CaMg[Si2O6], Calcite : CaCO3, Grossular : Ca3Al2[SiO4]3 | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Crystals of allanite, with blue calcite, a small amount of brown grossular, and pale green diopside. #1770# S415-133 About a 3 cm field of view. Most likely this is allanite-(Ce), but needs analytical confirmation. ex. Fred DeVito |
| © 2008, JGW | Photo ID: 170861 View Count: 99 |
Allanite-(Ce) : {CaCe}{Al2Fe2+}[O|OH|SiO4|Si2O7], Calcite : CaCO3, Grossular : Ca3Al2[SiO4]3, Diopside : CaMg[Si2O6] | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Tabular crystal of allanite, with blue calcite, grossular, and diopside. 1.5 cm crystal. Most likely this is allanite-(Ce), but needs analytical confirmation. #1770# S415-134 ex. Fred DeVito |
| © 2008, JGW | Photo ID: 170859 View Count: 89 |
Calcite : CaCO3, Vesuvianite : Ca10(Mg,Fe)2Al4Si9O34(OH)4 | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA The blue mineral is calcite & the greenish yellowish brown is vesuvianite (idocrase). 13cm x 10cm specimen extracted from a contact metamorphic aureole. Camera - Olympus C750. C&C Forrester Collection. |
| Photo ID: 139032 View Count: 165 | |
Chlorite Group | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Rich micaceous green crystalline chlorite are set upon a 4.3 x 4.2 x 3.5 cm matrix. A good reference specimen for the species and locality. Ex Edward Oyler collection with label. Ref: American Mineralogist: 26: 352-381. |
| © Dan Weinrich | Photo ID: 116427 View Count: 171 |
Clintonite : Ca(Mg,Al)3[(OH)2|Al3SiO10] | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA This Clintonite was in the collection of the Late Fred Devito. The specimen is 3.6 x 3.0 x 2.6 cm in size from tip to tip. This piece was collected in 1959. |
| © The-Vug.com | Photo ID: 21167 View Count: 686 |
Clintonite : Ca(Mg,Al)3[(OH)2|Al3SiO10], Calcite : CaCO3 | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Large clintonite crystal is 1.9 X 2.0 cm. C&C Forrester Collection. Nikon D80/Helicon Focus |
| Photo ID: 158586 View Count: 121 | |
Clintonite : Ca(Mg,Al)3[(OH)2|Al3SiO10] | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Clintonite cleavages in calcite. 1.3 x 1.5 cm. Ex Joseph Cilen collection. |
| © Van King | Photo ID: 216203 View Count: 30 |
Clintonite : Ca(Mg,Al)3[(OH)2|Al3SiO10] | |
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Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA Green clintonite crystal in calcite. 5 x 5 mm. Ex Joseph Cilen collection. |
| © Van King | Photo ID: 216193 View Count: 28 |
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