silicon oxygen and or sulfur which set and harden by reaction with water such hydraulic cements include but are not limited to portland cements pozzolana cements gypsum cements high alumina content cements slag cements and silica cements and combinations thereof in certain embodiments the cement may comprise a portland cement in some embodiments the portland cements that are suited for use in the present invention are classified as class a c h and g cements according to american petroleum institute api specification for materials and testing for well cements api specification 10 fifth ed jul 1 1990 the cement compositions of the present invention further comprise a plurality of basalt fibers among other things the basalt fibers may aid in the prevention of lost circulation and also may act to provide resiliency and impact resistance to the set cement composition basalt fibers also may increase the compressive and tensile strengths of the set cement compositions for instance the basalt fibers may react with the hydrated lime that is released during the setting of the cement composition basalt fibers generally are produced from basalt which is an igneous rock that is generally comprised of microscopic grains such as calcium sodium plagioclase feldspar pyroxene and olivine any suitable method for the production of inorganic fibers may be used for the production of the basalt fibers included in the cement compositions of the present invention in some embodiments basalt fibers.