def MgSiO3(mw_atmos, mh=1):
    """Defines properties for MgSiO3 as condensible"""
    if mh != 1:
        raise Exception(
            'Alert: No M/H Dependence in MgSiO3 Routine. Consult your local theorist to determine next steps.'
            )
    gas_mw = 100.4
    gas_mmr = 0.00275
    rho_p = 3.192
    return gas_mw, gas_mmr, rho_p
