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Cassiterite is a tin oxide mineral, SnO 2.It is generally opaque, but it is translucent in thin crystals.Its luster and multiple crystal faces produce a desirable gem. . Cassiterite was the chief tin ore throughout ancient history and remains the most important source of t
In addition, the Malay population in the area was also mine but only in the summer and during the rainy season, they carry out work on the smelting of bijih timah. With Chinese aid, bijih timah production increased. According to records, in 1844, the tin from this area have been exported to Penang. In 1848, Long Jaafar has brought in 20 people ...
PT Timah alone employed or outsourced around 10,000 workers in 2023. [11] Another major tin mining center was Singkep, near Bangka and Belitung but part of Riau Islands. [12] Legal mining operations on the island ceased in 1991 following Timah's restructurization, although illegal mining activities continued on the island with some arrests in ...
The Javanese Wikipedia (Javanese: Wikipédia basa Jawa) is the edition of Wikipedia in the Javanese language. Started on 8 March 2004, the Javanese Wikipedia reached 10,000 articles on 3 May 2007. As of 16 January 2025, it has more than 74,000 articles. [1] The Indonesian media has discussed the Javanese Wikipedia. [2]
There are more than 600 ethnic groups [1] in the multicultural Indonesian archipelago, making it one of the most diverse countries in the world. The vast majority of these belong to the Austronesian peoples, concentrated in western and central Indonesia (), with a sizable minority are Melanesian peoples concentrated in eastern Indonesia ().
The word Jawa written in Javanese script Two Javanese speakers, recorded in Indonesia. Javanese (/ ˌ dʒ ɑː v ə ˈ n iː z / JAH-və-NEEZ, [3] / dʒ æ v ə-/ JAV-ə-, /-ˈ n iː s /- NEESS; [4] basa Jawa, Javanese script: ꦧꦱꦗꦮ, Pegon: باسا جاوا , IPA: [bɔsɔ d͡ʒɔwɔ]) is an Austronesian language spoken primarily by the Javanese people from the central and eastern ...
Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. [5]Galena is one of the most abundant and widely distributed sulfide minerals.
Malang City is passed by one of the longest rivers in Indonesia and the second longest in Java after Bengawan Solo, the Brantas River whose source is located on the slopes of Mount Arjuno in the northwest of the city. The second longest river in Malang is the Metro River through Malang in Karangbesuki village, Sukun subdistrict.