Contributed Data: Mineral Raman Spectra

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Amphibole Spectra

• tremolite spectrum, 4K;  locality: Belmat, New York, variety: Hexagonite, orientation: cleavage, Data File: cleavage 35K;
• hornblende spectrum, 4K; locality: gabbro near Chantel, Haut Allier, Central massif, France, orientation: cleavage, Data File: cleavage 35K;

Opal Spectra

Mexican Opal (all are opal CT via XRD)
• Typical orange fire opal with minor red and green play of color, Yerbabuena Mine, Queretaro, Mexico.  Data file (spc format) 18 K.
• Yellow transparent fire opal, Yerbabuena Mine, Queretaro, Mexico.  Data file (spc format) 18 K.
• Milky but transparent, with minor orange and greeen play of color, Iris Mine, Queretaro, Mexico.  Data file (spc format) 18 K.
• Crystal opal with minor milkyness, Iris MIne, Queretaro, Mexico.  Data file (spc format) 17 K.


Australian Opal

• White opal with play of color.  Typical Australia but unspecified locality. Data file (spc format) 18 K.
• Black opal with play of color and twins.  Opal A via XRD.  Unspecified locality.  Data file (spc format) 18 K.


Brazilian Opal

• White zone with play of color.  Opal C via XRD.  Unspecified locality.   Data file (spc format) 18 K
• White opal with play of color.  Opal A via XRD.  Piaui, Brazil. Data file (spc format) 18 K

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