Belonging to the astrophyllite group astrophyllite may be classed either as an inosilicate phyllosilicate or an intermediate between the two. Astrophyllite is a very rare brown to golden yellow hydrous potassium iron titanium silicate mineral. Top quality natural astrophyllite gemstone for making jewellery oval shape size 32x20x4 mm pendant cabochon loose semi precious ag 4760. Each comprehensive three volume set features state of the art photography detailed illustrations and scientifically precise descriptions to create an entrancing experience for gemstone amateurs and afficionados alike. Showcasing 200 gemstones in over 1 000 pages and accompanied by more than 2 000 photos the sisk gemology reference is a must have in every collector s library.
These stones are a hydrous potassium iron titanium silicate mineral. Its name comes from a greek word meaning star leaf because that is what the formation looks like a leaf or a star. Astrophillite is a rare brown to golden yellow hydrous potassium iron titanium silicate mineral. Astrophyllite is a star shaped mineral that is known to bring wellness motivation into one s life. Natural astrophyllite gemstone for making jewellery size 31x21x5 mm pendant cabochon handmade designer gemstone ag 4762.
Belonging to the astrophyllite group the gemstone may be classed either as an inosilicate phyllosilicate or an intermediate between the two. The raw natural stone is very beautiful as it is a gorgeous coppery bronze color that reflects the light. Belonging to the astrophyllite group the gemstone may be classed either as an inosilicate phyllosilicate or an intermediate between the two. These stones are a hydrous potassium iron titanium silicate mineral. Belonging to the astrophyllite group astrophyllite may be classed either as an inosilicate phyllosilicate or an intermediate between the two.
