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Durr Al Najaf (Arabic: دُر ٱلنَّجَف) is a glossy and clear gemstone from the quartz family. The name means "pearl of Najaf" as it can only be sourced from Wadi-al-Salaam (Arabic: وادي السلام, romanized: Wādī al-Salām, lit. 'Valley of Peace') in Najaf, Iraq. The gemstone is found along the west of Najaf close by the Najaf ...
Beads in the Indus Valley were made using simple techniques. First, a bead maker would need a rough stone, which would be bought from an eastern stone trader. The stone would then be placed into a hot oven where it would be heated until it turned deep red, a colour highly prized by people of the Indus Valley.
Quartz is, therefore, classified structurally as a framework silicate mineral and compositionally as an oxide mineral. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. [10] Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral. The transformation ...
The bead is considered to provide positive spiritual benefits to the wearer. These beads are generally prized as protective amulets and are sometimes grounded and used in traditional Tibetan medicine. Beads subjected to this process shows small "dig marks" where a portion of the bead would have been scraped or ground away to be used in medicine.
Fused quartz, fused silica or quartz glass is a glass consisting of almost pure silica (silicon dioxide, SiO 2) in amorphous (non-crystalline) form.
The socio-economic dynamics of the gemstone industry are shaped by market forces and consumer preferences and typically go undiscussed. Changes in demand and prices can significantly affect the livelihoods of those involved in gemstone mining and trade, particularly in developing countries where the industry serves as a crucial source of income ...
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