Ylämaan Korukivi Ky was founded 1978 to quarry and to manufacture spectrolite. mainly we make silver and gold jewellery and small objects out of it. We also grind stones for the jewellery for other companies. The company is located in Gemstone village in Ylämaa by the Lappeenranta - Vaalimaa road (road 387, about 30 km from Lappeenranta).