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The Carafa genealogy (De symbolis heroicis, 1634) with screening, not heraldic hatching at the escutcheons. Silvester Petra Sancta (1590, in Rome – 6 May 1647, in Rome) was an Italian Jesuit priest, and heraldist. His name is also spelt as Sylvester Petra Sancta, Petrasancta, in Italian Padre Silvestro da Pietrasanta. Pseudonym: Coelius ...
Along with other gold-heavy quartz pieces, the gold was first believed to be bits of damaged machinery. A number of days later, the materials were examined and found to be full of gold. The “Crown Jewel” was the largest of the pieces, weighing in at 60 lb troy (22.4 kg). [4] The finding of the gold was reported by The National Enquirer. [5]
Carrara marble, or Luna marble (marmor lunense) to the Romans, is a type of white or blue-grey marble popular for use in sculpture and building decor. It has been quarried since Roman times in the mountains just outside the city of Carrara in the province of Massa and Carrara in the Lunigiana, the northernmost tip of modern-day Tuscany, Italy.
An orogenic gold deposit is a type of hydrothermal mineral deposit. More than 75% of the gold recovered by humans through history belongs to the class of orogenic gold deposits. [1] Rock structure is the primary control of orogenic gold mineralization at all scales, as it controls both the transport and deposition processes of the mineralized ...
Pietrasanta is part of Versilia, on the last foothills of the Apuan Alps, about 32 kilometres (20 mi) north of Pisa. The town is located 3 kilometres (1.9 mi) off the coast, where the frazione of Marina di Pietrasanta is located. Main square of Pietrasanta. It is situated on the main road and rail link from Pisa to Genova, just north of Viareggio.
Rutilated quartz used as a gemstone. Rutilated quartz is a variety of quartz which contains acicular (needle-like) inclusions of rutile. [1] It is used for gemstones. These inclusions mostly look golden, but they also can appear silver, copper red or black. The inclusions may be distributed randomly or in bundles, which sometimes are arranged ...
Quartz. Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO 4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO 2. Quartz is, therefore, classified structurally as a framework silicate mineral ...
Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [1][2] They are not diamonds; the "diamond" in their name is due to both their clarity and well formed faces. Because the first discovery sites were in the village ...